/* =========================================================
   FILE COMPRESSOR — TCDEVHUB
========================================================= */

:root {
    --tool-bg: #f8f9fa;
    --tool-surface: #ffffff;
    --tool-surface-soft: #f8f9fa;

    --tool-text: #202124;
    --tool-text-secondary: #5f6368;
    --tool-text-muted: #80868b;

    --tool-border: #dadce0;
    --tool-border-soft: #eef0f2;

    --tool-accent: #1a73e8;
    --tool-accent-hover: #1769d1;
    --tool-accent-soft: rgba(26, 115, 232, 0.08);
    --tool-accent-border: rgba(26, 115, 232, 0.24);

    --tool-success: #188038;
    --tool-danger: #d93025;

    --tool-shadow: 0 1px 3px rgba(60, 64, 67, 0.12);
    --tool-shadow-hover: 0 4px 14px rgba(60, 64, 67, 0.14);

    --tool-radius: 12px;
    --tool-container: 960px;
}


/* =========================================================
   BASE
========================================================= */

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    margin: 0;

    min-width: 320px;
    min-height: 100vh;

    background: var(--tool-bg);
    color: var(--tool-text);

    font-family:
        Inter,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

button,
input {
    font: inherit;
}

button {
    cursor: pointer;
}

a {
    color: inherit;
    text-decoration: none;
}


/* =========================================================
   MAIN
========================================================= */

.compressor {
    width: 100%;
    min-height: 100vh;
}


/* =========================================================
   HEADER
========================================================= */

.tool-header {
    background: var(--tool-surface);

    border-bottom: 1px solid var(--tool-border);
}

.header-content {
    width: min(
        calc(100% - 40px),
        var(--tool-container)
    );

    min-height: 76px;

    margin: 0 auto;

    display: flex;
    align-items: center;
    gap: 28px;
}

.tool-brand {
    display: flex;
    align-items: center;

    flex-shrink: 0;
}

.tool-logo {
    display: block;

    width: 142px;
    height: auto;
}

.tool-header-info {
    flex: 1;

    min-width: 0;

    padding-left: 28px;

    border-left: 1px solid var(--tool-border);
}

.tool-eyebrow,
.tool-kicker,
.section-label {
    display: block;

    color: var(--tool-text-muted);

    font-size: 11px;
    font-weight: 700;

    letter-spacing: 0.08em;
    line-height: 1.4;
}

.tool-header-info h1 {
    margin: 4px 0 2px;

    color: var(--tool-text);

    font-size: 18px;
    font-weight: 700;

    letter-spacing: -0.02em;
}

.tool-description {
    margin: 0;

    color: var(--tool-text-secondary);

    font-size: 13px;
    line-height: 1.5;
}

.tool-back {
    display: inline-flex;
    align-items: center;
    gap: 7px;

    flex-shrink: 0;

    padding: 8px 12px;

    color: var(--tool-text-secondary);

    border: 1px solid var(--tool-border);
    border-radius: 8px;

    font-size: 13px;
    font-weight: 600;

    background: var(--tool-surface);

    transition:
        background 0.16s ease,
        border-color 0.16s ease,
        color 0.16s ease;
}

.tool-back:hover {
    color: var(--tool-text);

    background: var(--tool-surface-soft);
    border-color: #bdc1c6;
}


/* =========================================================
   INTRO
========================================================= */

.tool-intro {
    width: min(
        calc(100% - 40px),
        var(--tool-container)
    );

    margin: 0 auto;

    padding: 42px 0 30px;

    display: flex;
    align-items: flex-end;
    justify-content: space-between;

    gap: 30px;
}

.tool-intro h2 {
    margin: 7px 0 8px;

    color: var(--tool-text);

    font-size: 30px;
    font-weight: 700;

    letter-spacing: -0.035em;
}

.tool-intro p {
    max-width: 600px;

    margin: 0;

    color: var(--tool-text-secondary);

    font-size: 14px;
    line-height: 1.65;
}

.tool-intro-meta {
    display: flex;
    align-items: center;
    gap: 8px;

    flex-shrink: 0;
}

.tool-intro-meta span {
    padding: 6px 10px;

    color: var(--tool-text-secondary);

    border: 1px solid var(--tool-border);
    border-radius: 7px;

    background: var(--tool-surface);

    font-size: 11px;
    font-weight: 600;
}


/* =========================================================
   CARDS
========================================================= */

.compressor-card,
.files-card,
.action-card {
    width: min(
        calc(100% - 40px),
        var(--tool-container)
    );

    margin-left: auto;
    margin-right: auto;

    background: var(--tool-surface);

    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius);

    box-shadow: var(--tool-shadow);
}

.compressor-card {
    overflow: hidden;
}


/* =========================================================
   UPLOAD AREA
========================================================= */

.upload-area {
    min-height: 330px;

    padding: 52px 30px;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    text-align: center;

    background:
        linear-gradient(
            to bottom,
            var(--tool-surface),
            var(--tool-surface-soft)
        );
}

.upload-icon {
    width: 58px;
    height: 58px;

    margin-bottom: 20px;

    display: flex;
    align-items: center;
    justify-content: center;

    color: var(--tool-accent);

    border: 1px solid var(--tool-accent-border);
    border-radius: 12px;

    background: var(--tool-accent-soft);

    font-family: "IBM Plex Mono", monospace;
    font-size: 12px;
    font-weight: 600;

    letter-spacing: -0.02em;
}

.upload-area h2 {
    margin: 8px 0 7px;

    color: var(--tool-text);

    font-size: 20px;
    font-weight: 700;

    letter-spacing: -0.025em;
}

.upload-area p {
    margin: 0;

    color: var(--tool-text-secondary);

    font-size: 13px;
    line-height: 1.5;
}


/* =========================================================
   BUTTONS
========================================================= */

.upload-buttons {
    margin-top: 26px;

    display: flex;
    align-items: center;
    justify-content: center;

    gap: 10px;
}

.btn-compressor,
.btn-secondary {
    min-height: 40px;

    padding: 0 16px;

    border-radius: 8px;

    font-size: 13px;
    font-weight: 600;

    transition:
        background 0.16s ease,
        border-color 0.16s ease,
        color 0.16s ease,
        box-shadow 0.16s ease,
        transform 0.16s ease;
}

.btn-compressor {
    color: #ffffff;

    border: 1px solid var(--tool-accent);

    background: var(--tool-accent);
}

.btn-compressor:hover {
    border-color: var(--tool-accent-hover);
    background: var(--tool-accent-hover);

    box-shadow: 0 2px 6px rgba(26, 115, 232, 0.20);
}

.btn-compressor:active,
.btn-secondary:active {
    transform: translateY(1px);
}

.btn-secondary {
    color: var(--tool-text);

    border: 1px solid var(--tool-border);

    background: var(--tool-surface);
}

.btn-secondary:hover {
    background: var(--tool-surface-soft);
    border-color: #bdc1c6;
}


/* =========================================================
   FILES
========================================================= */

.files-card {
    margin-top: 18px;

    padding: 22px;
}

.files-card[hidden],
.action-card[hidden] {
    display: none;
}

.files-header {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 20px;

    padding-bottom: 17px;

    border-bottom: 1px solid var(--tool-border-soft);
}

.file-count {
    margin: 5px 0 0;

    color: var(--tool-text-secondary);

    font-size: 13px;
}

.file-list {
    margin-top: 14px;

    display: flex;
    flex-direction: column;

    gap: 7px;

    max-height: 310px;

    overflow-y: auto;
}

.file-list:empty {
    display: none;
}


/* =========================================================
   FILE ITEMS
   Compatível com estruturas criadas pelo JS
========================================================= */

.file-item {
    min-height: 52px;

    padding: 10px 12px;

    display: flex;
    align-items: center;
    gap: 12px;

    border: 1px solid var(--tool-border-soft);
    border-radius: 9px;

    background: var(--tool-surface-soft);

    transition:
        background 0.15s ease,
        border-color 0.15s ease;
}

.file-item:hover {
    background: var(--tool-surface);
    border-color: var(--tool-border);
}

.file-icon {
    width: 32px;
    height: 32px;

    flex-shrink: 0;

    display: flex;
    align-items: center;
    justify-content: center;

    color: var(--tool-accent);

    border: 1px solid var(--tool-accent-border);
    border-radius: 7px;

    background: var(--tool-accent-soft);

    font-family: "IBM Plex Mono", monospace;
    font-size: 9px;
    font-weight: 600;
}

.file-info {
    min-width: 0;
    flex: 1;
}

.file-name {
    display: block;

    overflow: hidden;

    color: var(--tool-text);

    font-size: 13px;
    font-weight: 600;

    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-size {
    display: block;

    margin-top: 2px;

    color: var(--tool-text-muted);

    font-family: "IBM Plex Mono", monospace;
    font-size: 11px;
}


/* =========================================================
   ACTION
========================================================= */

.action-card {
    margin-top: 18px;

    padding: 20px;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    gap: 12px;

    text-align: center;
}

.btn-download {
    min-width: 190px;
}

.compressor-status {
    min-height: 18px;

    margin: 0;

    color: var(--tool-text-secondary);

    font-size: 12px;
    line-height: 1.5;
}

.compressor-status:empty {
    display: none;
}


/* =========================================================
   STATUS STATES
========================================================= */

.compressor-status.success {
    color: var(--tool-success);
}

.compressor-status.error {
    color: var(--tool-danger);
}


/* =========================================================
   FOCUS
========================================================= */

button:focus-visible,
a:focus-visible {
    outline: 3px solid var(--tool-accent-border);
    outline-offset: 2px;
}


/* =========================================================
   FOOTER
========================================================= */

.tool-footer {
    width: min(
        calc(100% - 40px),
        var(--tool-container)
    );

    margin: 0 auto;

    padding: 34px 0 28px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 20px;

    color: var(--tool-text-muted);

    font-size: 11px;

    border-top: 1px solid var(--tool-border);

    margin-top: 42px;
}

.tool-footer-brand img {
    display: block;

    width: 108px;
    height: auto;
}


/* =========================================================
   SCROLLBAR
========================================================= */

.file-list {
    scrollbar-width: thin;
    scrollbar-color:
        var(--tool-border)
        transparent;
}


/* =========================================================
   RESPONSIVE
========================================================= */

@media (max-width: 720px) {

    .header-content {
        width: min(
            calc(100% - 28px),
            var(--tool-container)
        );

        min-height: 68px;

        gap: 16px;
    }

    .tool-logo {
        width: 122px;
    }

    .tool-header-info {
        padding-left: 16px;
    }

    .tool-header-info h1 {
        font-size: 16px;
    }

    .tool-description {
        display: none;
    }

    .tool-back {
        padding: 7px 10px;
    }

    .tool-intro {
        width: min(
            calc(100% - 28px),
            var(--tool-container)
        );

        padding-top: 32px;

        align-items: flex-start;

        flex-direction: column;
        gap: 18px;
    }

    .tool-intro h2 {
        font-size: 27px;
    }

    .compressor-card,
    .files-card,
    .action-card {
        width: min(
            calc(100% - 28px),
            var(--tool-container)
        );
    }

    .upload-area {
        min-height: 300px;

        padding: 42px 20px;
    }

    .tool-footer {
        width: min(
            calc(100% - 28px),
            var(--tool-container)
        );
    }
}


@media (max-width: 500px) {

    .tool-header-info {
        display: none;
    }

    .header-content {
        justify-content: space-between;
    }

    .tool-intro {
        padding-top: 28px;
    }

    .tool-intro h2 {
        font-size: 25px;
    }

    .upload-area {
        padding: 38px 18px;
    }

    .upload-buttons {
        width: 100%;

        flex-direction: column;
    }

    .upload-buttons button {
        width: 100%;
    }

    .files-card {
        padding: 17px;
    }

    .files-header {
        align-items: flex-start;
    }

    .tool-footer {
        align-items: flex-start;

        flex-direction: column;

        padding-bottom: 24px;
    }
}


@media (max-width: 360px) {

    .tool-back {
        font-size: 12px;
    }

    .tool-intro-meta {
        width: 100%;
    }

    .tool-intro-meta span {
        flex: 1;

        text-align: center;
    }

    .upload-area h2 {
        font-size: 18px;
    }
}


/* =========================================================
   DARK THEME
   Compatível com o sistema de temas do TCDevHub
========================================================= */

[data-theme="dark"] {
    --tool-bg: #202124;
    --tool-surface: #292a2d;
    --tool-surface-soft: #252629;

    --tool-text: #e8eaed;
    --tool-text-secondary: #bdc1c6;
    --tool-text-muted: #9aa0a6;

    --tool-border: #3c4043;
    --tool-border-soft: #303134;

    --tool-accent: #8ab4f8;
    --tool-accent-hover: #aecbfa;
    --tool-accent-soft: rgba(138, 180, 248, 0.12);
    --tool-accent-border: rgba(138, 180, 248, 0.35);

    --tool-success: #81c995;
    --tool-danger: #f28b82;

    --tool-shadow: 0 1px 3px rgba(0, 0, 0, 0.28);
    --tool-shadow-hover: 0 4px 14px rgba(0, 0, 0, 0.30);
}

[data-theme="dark"] .tool-header {
    background: var(--tool-surface);
}

[data-theme="dark"] .upload-area {
    background:
        linear-gradient(
            to bottom,
            var(--tool-surface),
            var(--tool-surface-soft)
        );
}

[data-theme="dark"] .btn-compressor {
    color: #202124;
}

[data-theme="dark"] .file-item:hover {
    background: var(--tool-surface-soft);
}

[data-theme="dark"] .tool-logo {
    /* O theme.js pode substituir a logo automaticamente. */
}


/* =========================================================
   REDUCED MOTION
========================================================= */

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}