/* ============================================
   Cosmic Text Linter - 90s Space Theme
   Design Spec: Retro NASA/SpaceJam Aesthetic
   ============================================ */

:root {
    --color-space-black: #04071d;
    --color-deep-blue: #121635;
    --color-panel: #1b1f42;
    --color-cyan: #00d9ff;
    --color-purple: #b833ff;
    --color-gold: #ffd700;
    --color-green: #39ff14;
    --color-red: #ff3366;
    --color-orange: #ff9500;
    --color-white: #ffffff;
    --color-light-cyan: #e0f7ff;
    --color-gray-blue: #8ca5ff;

    --color-accent: #00d9ff;
    --color-accent-secondary: #ff64f9;
    --color-accent-dark: #005a7a;

    --glow-primary: var(--color-accent);
    --glow-secondary: var(--color-accent-secondary);
    --glow-warning: var(--color-orange);

    --panel-radius: 10px;
    --panel-padding: 1.25rem;
    --layout-gap: 1.5rem;

    --font-display: 'Orbitron', monospace;
    --font-mono: 'Space Mono', 'Courier New', monospace;

    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 24px);
}

@supports (color: color(display-p3 1 1 1)) {
    :root {
        --color-cyan-p3: color(display-p3 0 0.85 1);
        --color-teal-p3: color(display-p3 0.2 0.95 0.85);
        --color-purple-p3: color(display-p3 0.65 0.4 0.95);
        --color-accent: var(--color-cyan-p3);
        --glow-primary: var(--color-cyan-p3);
        --glow-secondary: var(--color-teal-p3);
    }
}

html {
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
    scroll-behavior: smooth;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-mono);
    background: radial-gradient(circle at 10% 10%, rgba(0, 217, 255, 0.12), transparent 55%),
        radial-gradient(circle at 90% 0%, rgba(255, 100, 249, 0.1), transparent 45%),
        var(--color-space-black);
    color: var(--color-light-cyan);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
    line-height: 1.55;
    letter-spacing: 0.01em;
    -webkit-text-size-adjust: 100%;
    padding-bottom: max(2.5rem, var(--safe-area-bottom));
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.starfield,
.starfield-layer-2 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.starfield {
    background-image:
        radial-gradient(2px 2px at 20px 30px, white, transparent),
        radial-gradient(2px 2px at 60px 70px, white, transparent),
        radial-gradient(1px 1px at 50px 50px, white, transparent),
        radial-gradient(1px 1px at 130px 80px, white, transparent),
        radial-gradient(2px 2px at 90px 10px, white, transparent),
        radial-gradient(1px 1px at 150px 120px, white, transparent),
        radial-gradient(2px 2px at 180px 40px, white, transparent);
    background-repeat: repeat;
    background-size: 200px 200px;
    animation: starfield-move 120s linear infinite;
    opacity: 0.3;
}

.starfield-layer-2 {
    background-image:
        radial-gradient(1px 1px at 40px 60px, white, transparent),
        radial-gradient(1px 1px at 110px 90px, white, transparent),
        radial-gradient(1px 1px at 170px 30px, white, transparent),
        radial-gradient(1px 1px at 85px 140px, white, transparent);
    background-repeat: repeat;
    background-size: 300px 300px;
    animation: starfield-move 200s linear infinite;
    opacity: 0.2;
}

@keyframes starfield-move {
    from { transform: translateY(0); }
    to { transform: translateY(-200px); }
}

.container {
    position: relative;
    z-index: 1;
    max-width: 1220px;
    margin: 0 auto;
    padding: 1.5rem clamp(1rem, 4vw, 2rem);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: clamp(1.25rem, 4vw, 2rem);
}

.gradient-bg {
    background: linear-gradient(135deg, #1a2332 0%, #0d1520 50%, #1a2332 100%);
    border-radius: clamp(12px, 3vw, 22px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    will-change: transform;
    transform: translateZ(0);
}

.section {
    width: 100%;
    max-width: 100%;
    margin-inline: auto;
    margin-bottom: clamp(1.5rem, 4vw, 2.75rem);
}

.section:last-of-type {
    margin-bottom: clamp(2rem, 5vw, 3rem);
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-bottom: 1.75rem;
}

@media (max-width: 1024px) {
    .header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .title-cluster {
        text-align: center;
        align-items: center;
    }

    .copilot-signal {
        align-items: center;
        width: min(100%, 320px);
    }
}

.title-cluster {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    text-align: left;
}

.title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.25rem);
    color: var(--color-accent);
    text-shadow:
        0 0 10px var(--glow-primary),
        0 0 20px var(--glow-primary),
        0 0 30px var(--glow-primary),
        0 0 45px rgba(0, 217, 255, 0.55);
    letter-spacing: 0.08em;
    font-weight: 900;
    animation: title-glow 3s ease-in-out infinite alternate;
}

@keyframes title-glow {
    from {
        text-shadow:
            0 0 10px var(--glow-primary),
            0 0 20px var(--glow-primary),
            0 0 30px var(--glow-primary);
    }
    to {
        text-shadow:
            0 0 18px var(--glow-primary),
            0 0 28px var(--glow-secondary),
            0 0 42px rgba(0, 217, 255, 0.75);
    }
}

.subtitle {
    font-size: clamp(0.85rem, 2vw, 1.05rem);
    color: var(--color-gray-blue);
    letter-spacing: 0.06em;
    font-weight: 500;
}

.copilot-signal {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.25), rgba(255, 100, 249, 0.35));
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.35rem;
    min-width: 230px;
    box-shadow: 0 0 22px rgba(0, 217, 255, 0.28);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    animation: signal-flow 4s linear infinite;
}

.signal-label {
    font-size: 0.68rem;
    color: rgba(255, 255, 255, 0.75);
}

.signal-value {
    font-size: 0.85rem;
    color: var(--color-white);
}

@keyframes signal-flow {
    0% { box-shadow: 0 0 20px rgba(0, 217, 255, 0.2); }
    50% { box-shadow: 0 0 32px rgba(255, 100, 249, 0.35); }
    100% { box-shadow: 0 0 20px rgba(0, 217, 255, 0.2); }
}

.breadcrumbs {
    margin-bottom: 1.25rem;
    display: flex;
    justify-content: center;
}

.breadcrumbs ol {
    list-style: none;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    font-size: 0.7rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    padding: 0 1rem;
}

.breadcrumbs span[aria-hidden="true"] {
    color: rgba(255, 255, 255, 0.3);
}

.breadcrumb-link {
    color: var(--color-light-cyan);
    padding: 12px 16px;
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0, 217, 255, 0.5);
    border-radius: 999px;
    background: rgba(8, 12, 38, 0.6);
    text-decoration: none;
    transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.breadcrumb-link:hover,
.breadcrumb-link:focus {
    background: rgba(0, 217, 255, 0.25);
    border-color: var(--color-accent-secondary);
    transform: translateY(-1px);
    outline: none;
}

.breadcrumb-current {
    padding: 12px 16px;
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    background: rgba(255, 100, 249, 0.25);
    color: var(--color-white);
}

.color-trigger-container {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
    width: 100%;
}

.color-trigger-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 20px;
    min-height: 44px;
    background: rgba(27, 31, 66, 0.8);
    border: 1px solid rgba(0, 217, 255, 0.4);
    border-radius: 6px;
    color: var(--color-accent);
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.2s ease;
}

.color-trigger-btn:hover {
    background: rgba(0, 217, 255, 0.15);
    border-color: var(--color-accent);
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.3);
    transform: translateY(-2px);
}

.color-trigger-icon {
    font-size: 1.2rem;
}

button,
.button {
    transition: transform 0.08s ease-out,
        box-shadow 0.08s ease-out,
        filter 0.08s ease-out;
    transform: translateZ(0);
    will-change: transform;
}

.button-pressed {
    transform: scale(0.96) translateY(2px);
    filter: brightness(1.15);
    box-shadow:
        0 2px 8px rgba(0, 217, 255, 0.4),
        inset 0 2px 4px rgba(0, 217, 255, 0.3);
}

@media (hover: none) {
    button:hover,
    .button:hover {
        transform: none;
    }
}

.animated,
.button,
.glow-effect {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

.main-interface {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas:
        "input output"
        "control output";
    gap: var(--layout-gap);
    align-items: stretch;
    margin-bottom: 1.75rem;
}

.color-modal-content {
    max-width: 400px;
}

.color-wheel-wrap,
.color-hex-wrap {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 1rem;
}

#accent-color-picker {
    width: 100%;
    height: 120px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--panel-radius);
    background-image: linear-gradient(
            to right,
            rgb(0, 217, 255),
            rgb(98, 237, 199),
            rgb(255, 234, 0),
            rgb(255, 128, 0),
            rgb(255, 0, 128),
            rgb(170, 85, 255)
        );
    background-size: cover;
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.18);
    cursor: pointer;
}

@supports (color: color(display-p3 1 1 1)) {
    #accent-color-picker {
        background-image: linear-gradient(
            to right,
            color(display-p3 0 0.85 1),
            color(display-p3 0.38 0.93 0.78),
            color(display-p3 1 0.92 0),
            color(display-p3 1 0.5 0),
            color(display-p3 1 0 0.5),
            color(display-p3 0.67 0.33 1)
        );
    }
}

#accent-color-picker::-webkit-color-swatch {
    border: none;
    border-radius: var(--panel-radius);
}

#accent-color-picker::-webkit-color-swatch-wrapper {
    padding: 0;
}

#accent-color-picker::-moz-focus-inner {
    border: 0;
    padding: 0;
}

#accent-color-picker::-moz-color-swatch {
    border: none;
    border-radius: var(--panel-radius);
}

.color-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.7);
}

.hex-input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(8, 12, 38, 0.65);
    border: 1px solid rgba(0, 217, 255, 0.35);
    border-radius: 999px;
    padding: 0.35rem 0.6rem;
}

.hex-input-group span {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.1em;
}

#accent-color-hex {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--color-light-cyan);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

#accent-color-hex:focus {
    outline: none;
}

#accent-color-hex::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.color-help {
    font-size: 0.7rem;
    color: rgba(224, 247, 255, 0.7);
    letter-spacing: 0.08em;
}

.color-preview {
    display: flex;
    gap: 0.5rem;
    justify-content: space-between;
}

.preview-chip {
    flex: 1;
    height: 28px;
    border-radius: 999px;
    box-shadow: 0 0 14px rgba(0, 217, 255, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.preview-chip[data-tone="primary"] { background: var(--color-accent); }
.preview-chip[data-tone="secondary"] { background: var(--color-accent-secondary); }
.preview-chip[data-tone="flare"] { background: var(--color-gold); }

.preview-chip:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.4);
}
.input-panel { grid-area: input; }
.output-panel { grid-area: output; }
.control-section { grid-area: control; }

@media (max-width: 820px) {
    .main-interface {
        grid-template-columns: 1fr;
        grid-template-areas:
            "color"
            "input"
            "control"
            "output";
        gap: clamp(1.25rem, 4vw, 2rem);
    }
}

@media (max-width: 768px) {
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeLegibility;
    }

    .container {
        padding: 1.25rem clamp(0.75rem, 6vw, 1.5rem);
        gap: clamp(1.5rem, 5vw, 2.5rem);
    }

    .gradient-bg {
        border-radius: clamp(18px, 8vw, 32px);
    }

    .nav-buttons {
        width: 100%;
        padding-inline: clamp(0.5rem, 4vw, 1.25rem);
    }

    .breadcrumbs ol {
        gap: 0.75rem;
        padding: 0.5rem 0.75rem;
    }

    .breadcrumbs span[aria-hidden="true"] {
        display: none;
    }

    .section {
        margin-bottom: 2rem;
    }

    .panel,
    .control-section {
        padding: clamp(1.35rem, 5vw, 1.75rem);
    }

    .panel-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .text-area {
        min-height: 180px;
        padding: 1rem;
        margin: 1rem 0;
    }

    .mode-buttons {
        grid-template-columns: 1fr;
    }

    button,
    .button,
    a[role="button"] {
        min-height: 44px;
        min-width: 44px;
    }

    .nav-buttons .breadcrumb-link,
    .nav-buttons .breadcrumb-current {
        padding: 0.625rem 1.25rem;
        min-height: 44px;
        font-size: 0.875rem;
    }

    .mode-btn {
        padding: 0.9rem 1.25rem;
    }

    .output-mode-btn {
        padding: 0.75rem 1rem;
    }

    .btn-primary,
    .btn-secondary,
    .btn-tertiary,
    .btn-random,
    .color-trigger-btn,
    .advisory-help-btn,
    .modal-close,
    #accent-apply {
        padding: 0.75rem 1.5rem;
        font-size: 0.95rem;
    }

    input,
    textarea,
    select {
        min-height: 44px;
        font-size: 16px;
        padding: 0.75rem;
    }

    .hex-input-group {
        flex-wrap: wrap;
        justify-content: center;
        padding: 0.5rem 0.75rem;
        gap: 0.75rem;
    }

    #accent-color-hex {
        min-width: 140px;
        font-size: 1.125rem;
        padding: 0.75rem 0.25rem;
        text-align: center;
    }

    #accent-color-picker {
        height: 160px;
    }

    .color-trigger-btn,
    .btn-primary,
    .btn-secondary,
    .btn-tertiary,
    .btn-random {
        width: 100%;
        justify-content: center;
        text-align: center;
    }

    .output-mode-toggle {
        flex-direction: column;
    }

    .stats-section {
        padding-inline: clamp(0.5rem, 5vw, 1rem);
    }

    .stats-display {
        position: sticky;
        top: calc(var(--safe-area-top) + 0.75rem);
        z-index: 5;
    }

    .footer {
        text-align: center;
        padding-bottom: max(1.5rem, var(--safe-area-bottom));
    }
}

@media (max-width: 480px) {
    .section:not(.panel) {
        padding: 1.25rem 0.75rem;
    }

    .breadcrumbs ol {
        padding-inline: 0.25rem;
        gap: 0.5rem;
    }

    .mode-desc {
        font-size: 0.75rem;
    }
}

.panel {
    background: linear-gradient(135deg, rgba(11, 16, 44, 0.95), rgba(22, 28, 66, 0.9));
    border: 2px solid var(--color-accent);
    border-radius: var(--panel-radius);
    padding: var(--panel-padding);
    box-shadow:
        0 0 22px rgba(0, 217, 255, 0.18),
        inset 0 0 18px rgba(0, 217, 255, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    position: relative;
}

.panel::before {
    content: '';
    position: absolute;
    inset: -3px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
    border-radius: calc(var(--panel-radius) + 2px);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.panel:focus-within::before,
.panel:hover::before {
    opacity: 0.4;
}

.panel:focus-within,
.panel:hover {
    border-color: var(--color-accent-secondary);
    box-shadow:
        0 0 28px rgba(255, 100, 249, 0.4),
        inset 0 0 22px rgba(0, 217, 255, 0.12);
    transform: translateY(-2px);
}

.input-panel {
    grid-area: input;
}

.output-panel {
    grid-area: output;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.panel-header.compact {
    margin-bottom: 0.5rem;
}

.panel-label {
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--color-accent);
    letter-spacing: 0.12em;
    font-weight: 700;
    text-transform: uppercase;
}

.panel-sub {
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
}

.char-count {
    font-size: 13px;
    font-weight: 500;
    color: rgba(224, 247, 255, 0.7);
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
}

.text-area {
    width: 100%;
    min-height: 260px;
    background: rgba(8, 12, 38, 0.92);
    border: 2px solid rgba(0, 217, 255, 0.25);
    border-radius: 8px;
    padding: 0.9rem 1rem;
    font-family: var(--font-mono);
    font-size: 16px;
    color: var(--color-light-cyan);
    resize: vertical;
    overflow: auto; /* Required for resize to work */
    max-height: 600px; /* Prevent excessive expansion */
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    line-height: 1.5;
    backdrop-filter: blur(2px);
}

.text-area:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow:
        0 0 16px rgba(0, 217, 255, 0.35),
        inset 0 0 16px rgba(0, 217, 255, 0.12);
    background: rgba(8, 12, 38, 0.98);
}

.text-area::placeholder {
    color: rgba(140, 165, 255, 0.6);
}

.control-section {
    grid-area: control;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
    justify-content: space-between;
    background: linear-gradient(135deg, rgba(20, 24, 58, 0.95), rgba(15, 19, 46, 0.92));
    border: 2px solid var(--color-accent);
    border-radius: var(--panel-radius);
    padding: var(--panel-padding);
    box-shadow:
        0 0 18px rgba(0, 217, 255, 0.16),
        inset 0 0 14px rgba(0, 217, 255, 0.08);
    position: relative;
    overflow: hidden;
}

.control-section::before {
    content: '';
    position: absolute;
    inset: -3px;
    background: linear-gradient(120deg, rgba(0, 217, 255, 0.25), rgba(255, 100, 249, 0.18));
    opacity: 0.3;
    pointer-events: none;
}

.mode-selector {
    width: 100%;
}

.mode-label {
    font-family: var(--font-display);
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: 0.18em;
    display: block;
    text-align: left;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.mode-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 8px;
}

.mode-btn {
    font-family: var(--font-mono);
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.25), rgba(255, 100, 249, 0.18));
    border: 2px solid rgba(0, 217, 255, 0.45);
    border-radius: 8px;
    padding: 12px 18px;
    min-height: 44px;
    min-width: 100px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
    color: var(--color-light-cyan);
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.mode-btn:hover,
.mode-btn:focus {
    border-color: var(--color-accent-secondary);
    box-shadow: 0 0 16px rgba(255, 100, 249, 0.35);
    transform: translateY(-2px);
    outline: none;
}

.mode-btn.active {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.45), rgba(255, 100, 249, 0.35));
    border-color: var(--color-accent-secondary);
    box-shadow: 0 0 22px rgba(0, 217, 255, 0.4);
}

.mode-name {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-accent);
}

.mode-desc {
    font-size: 12px;
    color: rgba(224, 247, 255, 0.75);
    opacity: 0.85;
    line-height: 1.4;
}

.control-note {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.65);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.btn-primary,
.btn-secondary,
.btn-tertiary,
.btn-random {
    font-family: var(--font-display);
    font-size: 0.95rem;
    letter-spacing: 0.12em;
    padding: 0.85rem 1.5rem;
    border-radius: 9px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
    position: relative;
    overflow: hidden;
    font-weight: 700;
    text-transform: uppercase;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 26px rgba(0, 217, 255, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary::before,
.btn-secondary::before,
.btn-tertiary::before,
.btn-random::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -20%;
    width: 0;
    height: 140%;
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) skewX(-20deg);
    transition: width 0.25s ease;
}

.btn-primary:hover::before,
.btn-secondary:hover::before,
.btn-tertiary:hover::before,
.btn-random:hover::before {
    width: 160%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 34px rgba(0, 217, 255, 0.55);
}

.btn-primary:focus {
    outline: 2px solid var(--color-white);
    outline-offset: 2px;
}

.btn-primary.processing {
    animation: pulse 1.5s ease-in-out infinite;
    cursor: wait;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 26px rgba(0, 217, 255, 0.45);
    }
    50% {
        opacity: 0.75;
        box-shadow: 0 0 40px rgba(255, 100, 249, 0.45);
    }
}

.btn-icon {
    font-size: 1.2rem;
    animation: sparkle 2.4s ease-in-out infinite;
    display: inline-block;
}

@keyframes sparkle {
    0%, 100% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.15); }
}

.btn-secondary {
    background: rgba(0, 217, 255, 0.1);
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
    width: 100%;
    margin-top: 0.75rem;
}

.btn-secondary:hover,
.btn-secondary:focus {
    transform: translateY(-1px);
    box-shadow: 0 0 18px rgba(0, 217, 255, 0.35);
    outline: none;
}

.btn-tertiary {
    background: rgba(0, 217, 255, 0.12);
    color: var(--color-light-cyan);
    border: 1px solid rgba(255, 255, 255, 0.35);
    padding: 0.65rem 1rem;
    letter-spacing: 0.16em;
}

.btn-tertiary:hover,
.btn-tertiary:focus {
    transform: translateY(-1px);
    border-color: var(--color-accent-secondary);
    box-shadow: 0 0 16px rgba(255, 100, 249, 0.25);
    outline: none;
}

.btn-random {
    margin-top: 1rem;
    width: 100%;
    background: linear-gradient(135deg, rgba(255, 100, 249, 0.35), rgba(0, 217, 255, 0.35));
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-random:hover,
.btn-random:focus {
    transform: translateY(-2px);
    box-shadow: 0 0 26px rgba(255, 100, 249, 0.45);
    outline: none;
}

.stats-section {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 1.75rem;
}

.stats-display {
    background: linear-gradient(135deg, rgba(10, 15, 42, 0.92), rgba(18, 23, 58, 0.92));
    border: 2px solid var(--color-accent);
    border-radius: var(--panel-radius);
    padding: 1.25rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1.1rem;
    align-items: stretch;
    box-shadow: 0 0 22px rgba(0, 217, 255, 0.2);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    background: rgba(0, 217, 255, 0.08);
    border: 1px solid rgba(0, 217, 255, 0.25);
    border-radius: 8px;
    padding: 0.75rem;
    text-align: left;
}

.stat-label {
    font-size: 12px;
    color: rgba(224, 247, 255, 0.7);
    letter-spacing: 0.12em;
    font-weight: 700;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 14px;
    color: var(--color-accent);
    text-shadow: 0 0 16px rgba(0, 217, 255, 0.5);
    font-weight: 800;
}

#status[data-status="awaiting"] {
    color: var(--color-accent);
}

#status[data-status="processing"] {
    color: var(--color-gold);
}

#status[data-status="complete"] {
    color: var(--color-green);
}

#status[data-status="error"] {
    color: var(--color-red);
}

.advisory-panel {
    background: linear-gradient(135deg, rgba(28, 8, 0, 0.85), rgba(69, 27, 0, 0.75));
    border: 2px solid var(--color-orange);
    border-radius: var(--panel-radius);
    padding: 1.15rem;
    box-shadow:
        0 0 26px rgba(255, 149, 0, 0.35),
        inset 0 0 18px rgba(255, 149, 0, 0.18);
}

.advisory-panel.hidden {
    display: none;
}

.advisory-header {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 0.85rem;
}

.advisory-icon {
    font-size: 1.5rem;
    filter: drop-shadow(0 0 12px rgba(255, 149, 0, 0.8));
}

.advisory-title {
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--color-gold);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.advisory-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-bottom: 0.85rem;
}

.advisory-item {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 0.6rem;
    background: rgba(255, 149, 0, 0.18);
    border-left: 3px solid rgba(255, 220, 142, 0.9);
    border-radius: 6px;
}

.advisory-bullet {
    font-size: 0.7rem;
    color: rgba(255, 220, 142, 0.9);
}

.advisory-text {
    font-size: 0.8rem;
    color: rgba(255, 244, 224, 0.9);
}

.advisory-help-btn {
    font-family: var(--font-mono);
    font-size: 13px;
    background: rgba(255, 149, 0, 0.22);
    border: 1px solid rgba(255, 220, 142, 0.7);
    border-radius: 999px;
    padding: 12px 24px;
    min-height: 44px;
    color: rgba(255, 244, 224, 0.92);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.advisory-help-btn:hover,
.advisory-help-btn:focus {
    transform: translateY(-1px);
    box-shadow: 0 0 18px rgba(255, 149, 0, 0.4);
    outline: none;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(5px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.hidden {
    display: none;
}

body.modal-open {
    overflow: hidden;
}

.modal-content {
    background: linear-gradient(135deg, rgba(12, 16, 44, 0.95), rgba(20, 24, 62, 0.92));
    border: 2px solid var(--color-accent);
    border-radius: var(--panel-radius);
    max-width: 620px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 0 32px rgba(0, 217, 255, 0.32);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(0, 217, 255, 0.35);
}

.modal-header h2 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: var(--color-accent);
    letter-spacing: 0.08em;
    font-weight: 700;
    text-transform: uppercase;
}

.modal-close {
    font-size: 24px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    line-height: 1;
    transition: all 0.3s ease;
    padding: 12px;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--color-accent-secondary);
    text-shadow: 0 0 12px var(--color-accent-secondary);
    transform: rotate(90deg);
}

.modal-close:focus {
    outline: 2px solid var(--color-accent-secondary);
    outline-offset: 2px;
    border-radius: 4px;
}

.modal-body {
    padding: 1.25rem 1.5rem 1.5rem;
}

.help-item {
    margin-bottom: 1.25rem;
}

.help-item:last-child {
    margin-bottom: 0;
}

.help-item h3 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--color-accent-secondary);
    margin-bottom: 0.45rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.help-item p {
    font-size: 0.82rem;
    line-height: 1.6;
    color: rgba(224, 247, 255, 0.85);
}

.footer {
    text-align: center;
    padding: 1.5rem 0 1.75rem;
    border-top: 1px solid rgba(0, 217, 255, 0.25);
    margin-top: 1.5rem;
}

.footer-text {
    font-size: 0.8rem;
    color: rgba(224, 247, 255, 0.6);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.footer-text a {
    color: var(--color-accent);
    text-decoration: none;
    padding: 0.1rem 0.35rem;
    border-radius: 999px;
    border: 1px solid rgba(0, 217, 255, 0.35);
    transition: all 0.3s ease;
}

.footer-text a:hover,
.footer-text a:focus {
    text-shadow: 0 0 12px rgba(0, 217, 255, 0.55);
    border-color: var(--color-accent-secondary);
    outline: none;
}

.toast {
    position: fixed;
    top: 1.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(-150%);
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.9), rgba(255, 100, 249, 0.9));
    color: var(--color-space-black);
    padding: 0.85rem 1.75rem;
    border-radius: 999px;
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.14em;
    box-shadow: 0 0 28px rgba(255, 100, 249, 0.4);
    z-index: 1001;
    transition: transform 0.3s ease;
    font-size: 0.8rem;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.hidden {
    display: none !important;
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: 1.5rem;
    }

    .copilot-signal {
        align-self: stretch;
    }

    .text-area {
        min-height: 200px;
        font-size: 16px;
    }

    .btn-primary,
    .btn-secondary,
    .btn-tertiary,
    .btn-random {
        min-height: 44px;
    }

    .mode-buttons {
        grid-template-columns: 1fr;
    }

    .stats-display {
        grid-template-columns: 1fr;
    }

    .modal-content {
        max-height: 90vh;
    }

    .starfield,
    .starfield-layer-2 {
        opacity: 0.2;
    }
}

@media (dynamic-range: high) {
    .cosmic-glow {
        filter: brightness(1.25) saturate(1.3);
    }

    .neon-text {
        text-shadow:
            0 0 10px currentColor,
            0 0 20px currentColor,
            0 0 40px currentColor,
            0 0 80px rgba(0, 217, 255, 0.8);
    }
}

@media (prefers-contrast: more) {
    :root {
        --bg-dark: #000000;
        --text-bright: #00ffff;
        --contrast-boost: 1.4;
    }

    body {
        background: var(--bg-dark);
        filter: contrast(var(--contrast-boost));
    }

    .title,
    .stat-value,
    .mode-name {
        color: var(--text-bright);
    }

    .panel,
    .control-section,
    .stats-display {
        border-color: var(--text-bright);
    }
}

@media (prefers-contrast: high) {
    .panel,
    .btn-primary,
    .btn-secondary,
    .mode-btn {
        border-width: 2px;
    }

    .text-area:focus {
        outline: 3px solid var(--color-cyan);
        outline-offset: 2px;
    }
}

/* Diff View Styles */
.output-mode-toggle {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.output-mode-btn {
    flex: 1;
    padding: 12px 20px;
    min-height: 44px;
    min-width: 80px;
    background: rgba(27, 31, 66, 0.7);
    border: 1px solid rgba(0, 217, 255, 0.3);
    color: var(--color-gray-blue);
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 4px;
}

.output-mode-btn:hover {
    border-color: var(--color-accent);
    background: rgba(0, 217, 255, 0.1);
}

.output-mode-btn.active {
    background: rgba(0, 217, 255, 0.2);
    border-color: var(--color-accent);
    color: var(--color-accent);
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.3);
}

.output-container {
    position: relative;
    min-height: 200px;
}

.diff-view {
    width: 100%;
    min-height: 260px;
    padding: 0.9rem 1rem;
    background: rgba(8, 12, 38, 0.92);
    border: 2px solid rgba(0, 217, 255, 0.25);
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-light-cyan);
    overflow-y: auto;
    resize: vertical; /* Match .text-area resize behavior */
    max-height: 600px; /* Match .text-area max-height */
    backdrop-filter: blur(2px);
}

.diff-view.hidden {
    display: none;
}

/* OverType Integration - Prevent Double Scrollbar & Match Styling */
/* Force OverType to inherit our container's size and remove its own scrollbar */
#output-text[data-overtype] {
    resize: vertical;
    overflow: auto;
    max-height: 600px;
    background: rgba(8, 12, 38, 0.92) !important;
    border: 2px solid rgba(0, 217, 255, 0.25) !important;
}

/* OverType wrapper should not add additional scrolling or styling */
.ot-wrapper {
    background: rgba(8, 12, 38, 0.92) !important;
    border: 2px solid rgba(0, 217, 255, 0.25) !important;
    border-radius: 8px !important;
    overflow: visible !important; /* Let parent handle scrolling */
    backdrop-filter: blur(2px) !important;
}

.ot-wrapper .ot-editor {
    background: rgba(8, 12, 38, 0.92) !important;
    color: var(--color-light-cyan) !important;
    overflow: visible !important; /* Let parent handle scrolling */
    max-height: none !important; /* Remove OverType's height constraint */
}

/* Override OverType's "cave" theme background colors */
.ot-wrapper .ot-preview,
.ot-wrapper .ot-markdown-preview {
    background: transparent !important;
}

/* Disable resize on mobile/tablet devices */
@media (max-width: 768px) {
    .text-area,
    .diff-view,
    #output-text[data-overtype] {
        resize: none !important;
        max-height: none; /* Allow natural height on mobile */
    }
}

/* Diff Mode Toggle */
.diff-mode-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
}

.diff-mode-label {
    font-family: 'Space Mono', monospace;
    font-size: 0.875rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.diff-mode-btn {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-dim);
    font-family: 'Space Mono', monospace;
    font-size: 0.875rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.diff-mode-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-accent);
}

.diff-mode-btn.active {
    background: var(--color-accent);
    color: var(--color-space-black);
    border-color: var(--color-accent);
    font-weight: bold;
}

/* Improved Diff Legend */
.diff-legend {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
    flex-wrap: wrap;
}

.diff-legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.diff-legend-color {
    width: 16px;
    height: 16px;
    border-radius: 3px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.diff-legend-removed {
    background: rgba(255, 80, 80, 0.8);
}

.diff-legend-added {
    background: rgba(80, 255, 120, 0.8);
}

.diff-legend-unchanged {
    background: rgba(255, 255, 255, 0.1);
}

.diff-legend-label {
    font-family: 'Space Mono', monospace;
    font-size: 0.875rem;
    color: var(--color-light-cyan);
}

/* Enhanced Diff Content */
.diff-content {
    font-family: var(--font-mono);
    font-size: 16px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
    padding: 0.9rem 1rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
    max-height: 500px;
    overflow-y: auto;
}

.diff-removed {
    background: rgba(255, 80, 80, 0.3);
    color: #ff9999;
    padding: 2px 4px;
    border-radius: 2px;
    text-decoration: line-through;
    text-decoration-color: rgba(255, 80, 80, 0.6);
}

.diff-added {
    background: rgba(80, 255, 120, 0.3);
    color: #99ff99;
    padding: 2px 4px;
    border-radius: 2px;
    font-weight: 500;
}

.diff-unchanged {
    color: var(--color-light-cyan);
}

/* Special character markers */
.newline-marker,
.space-marker {
    color: var(--color-accent);
    opacity: 0.5;
    font-size: 0.875rem;
}

.diff-placeholder {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-gray-blue);
    font-style: italic;
}

/* ============================================
   Advisory Actions & Report Modal
   ============================================ */

.advisory-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

/* Report Modal */
.report-content {
    max-height: 60vh;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.report-section {
    margin-bottom: 2rem;
}

.report-section h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.report-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
    overflow: hidden;
}

.report-table th,
.report-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(0, 217, 255, 0.15);
}

.report-table th {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-cyan);
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    width: 60%;
}

.report-table td {
    font-family: var(--font-mono);
    color: var(--color-light-cyan);
    font-size: 1rem;
    font-weight: 500;
}

.report-table tbody tr:last-child th,
.report-table tbody tr:last-child td {
    border-bottom: none;
}

.report-advisories {
    list-style: none;
    padding: 0;
    margin: 0;
}

.report-advisories li {
    padding: 0.625rem 0;
    border-bottom: 1px solid rgba(0, 217, 255, 0.1);
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.report-advisories li:last-child {
    border-bottom: none;
}

.report-advisory-active {
    color: var(--color-light-cyan);
}

.report-advisory-inactive {
    color: var(--color-gray-blue);
    opacity: 0.6;
}

.report-bullet {
    color: var(--color-accent);
    font-weight: bold;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.report-note {
    color: var(--color-gray-blue);
    font-style: italic;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    text-align: center;
}

.report-empty {
    color: var(--color-gray-blue);
    font-style: italic;
    text-align: center;
    padding: 2rem 1rem;
}

.scrollable {
    -webkit-overflow-scrolling: touch;
    overflow-y: auto;
    overscroll-behavior-y: contain;
}

@media print {
    .starfield,
    .starfield-layer-2,
    .mode-selector,
    .btn-primary,
    .advisory-panel,
    .footer {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .panel {
        border: 1px solid #000;
        box-shadow: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }

    .starfield,
    .starfield-layer-2,
    .btn-primary.processing {
        animation: none !important;
    }
}