/* ==========================================================================
   Compyra — Browser & Device Information (support diagnostics)
   Matches the main Compyra cyber-security / hacker-elegant aesthetic.
   ========================================================================== */

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

:root {
    --accent: #12b886;
    --accent-bright: #2ee6b6;
    --accent-text: #0b7a5b;
    --accent-glow: rgba(46, 230, 182, 0.35);

    --border-radius: 12px;
    --shadow: 0 10px 30px rgba(15, 17, 21, 0.12);
    --shadow-lg: 0 24px 60px rgba(15, 17, 21, 0.18);
    --transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);

    /* Light theme */
    --bg-color: #f6f8fb;
    --bg-alt: #eef1f6;
    --text-color: #1f2430;
    --text-muted: #5b6472;
    --card-bg: #ffffff;
    --card-border: rgba(15, 17, 21, 0.06);
    --header-bg: rgba(255, 255, 255, 0.72);
    --footer-bg: #0f1115;
    --footer-text: #f6f8fb;
    --border-color: #e6e9ef;
}

[data-theme="dark"] {
    --accent-text: #2ee6b6;
    --bg-color: #0f1115;
    --bg-alt: #14171d;
    --text-color: #e8ebf1;
    --text-muted: #9aa4b2;
    --card-bg: #171a21;
    --card-border: rgba(255, 255, 255, 0.06);
    --header-bg: rgba(15, 17, 21, 0.72);
    --footer-bg: #0a0b0e;
    --footer-text: #e8ebf1;
    --border-color: #262b34;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', system-ui, -apple-system, sans-serif;
    line-height: 1.65;
    color: var(--text-color);
    background-color: var(--bg-color);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    width: 92%;
    max-width: 1080px;
    margin: 0 auto;
}

.icon {
    width: 1em;
    height: 1em;
    display: inline-block;
    vertical-align: -0.125em;
    flex: none;
}

:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

/* Header ------------------------------------------------------------------- */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--header-bg);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--border-color);
}

header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    max-height: 42px;
    width: auto;
}

.logo-dark {
    display: none;
}

[data-theme="dark"] .logo-light {
    display: none;
}

[data-theme="dark"] .logo-dark {
    display: block;
}

.brand {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-name {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.4rem;
    letter-spacing: 2px;
    color: var(--text-color);
}

.brand-tag {
    font-size: 0.72rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-text);
    font-weight: 600;
}

.theme-toggle button {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px 10px;
    border-radius: 10px;
    display: inline-flex;
    transition: var(--transition);
}

.theme-toggle button:hover {
    color: var(--accent-text);
    border-color: var(--accent);
    background-color: var(--bg-alt);
}

/* Hero --------------------------------------------------------------------- */
.hero {
    position: relative;
    text-align: center;
    padding: 64px 0 34px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(700px 320px at 50% -10%, var(--accent-glow), transparent 70%);
    opacity: 0.6;
    pointer-events: none;
}

.eyebrow {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-text);
    padding: 7px 16px;
    border: 1px solid var(--accent);
    border-radius: 999px;
    background: rgba(46, 230, 182, 0.08);
    margin-bottom: 22px;
}

.back-link {
    position: relative;
    display: flex;
    width: fit-content;
    align-items: center;
    gap: 8px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--text-muted);
    margin: 0 auto 20px;
    padding: 8px 16px 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: var(--card-bg);
    text-decoration: none;
    transition: var(--transition);
}

.back-link .icon {
    transition: transform 0.25s ease;
}

.back-link:hover {
    color: var(--accent-text);
    border-color: var(--accent);
}

.back-link:hover .icon {
    transform: translateX(-3px);
}

.hero h1 {
    position: relative;
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(1.9rem, 4.5vw, 2.9rem);
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 14px;
}

.hero p {
    position: relative;
    max-width: 620px;
    margin: 0 auto 26px;
    color: var(--text-muted);
    font-size: 1.05rem;
}

.hero-actions {
    position: relative;
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons ------------------------------------------------------------------ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 13px 26px;
    border-radius: var(--border-radius);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.98rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    color: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-bright));
    color: #05231a;
    box-shadow: 0 8px 22px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 30px var(--accent-glow);
}

.btn-ghost {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent-text);
    transform: translateY(-3px);
}

/* Info grid ---------------------------------------------------------------- */
main {
    padding-bottom: 70px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
    gap: 24px;
    margin-top: 10px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 24px 24px 12px;
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-color);
}

.card-head .card-icon {
    width: 42px;
    height: 42px;
    flex: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 11px;
    font-size: 1.3rem;
    color: var(--accent-text);
    background: linear-gradient(135deg, rgba(18, 184, 134, 0.16), rgba(46, 230, 182, 0.08));
}

.card-head h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
}

.row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 11px 0;
    border-bottom: 1px dashed var(--border-color);
}

.row:last-child {
    border-bottom: none;
}

.row-label {
    flex: 0 0 40%;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding-top: 2px;
}

.row-value {
    flex: 1 1 auto;
    min-width: 0;
    font-family: 'Roboto Mono', ui-monospace, monospace;
    font-size: 0.92rem;
    word-break: break-word;
    color: var(--text-color);
}

.row-value.mono-clock {
    color: var(--accent-text);
    font-weight: 600;
}

.copy-btn {
    flex: none;
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    cursor: pointer;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    transition: var(--transition);
}

.copy-btn:hover {
    color: var(--accent-text);
    border-color: var(--accent);
    background: rgba(46, 230, 182, 0.1);
}

.copy-btn.copied {
    color: #05231a;
    background: var(--accent-bright);
    border-color: transparent;
}

/* In-card action button (e.g. "Get location") */
.card-action {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
    padding: 9px 16px;
    border-radius: 9px;
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.card-action:hover {
    border-color: var(--accent);
    color: var(--accent-text);
    background: rgba(46, 230, 182, 0.1);
}

/* Toast -------------------------------------------------------------------- */
.toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    transform: translate(-50%, 20px);
    background: linear-gradient(135deg, var(--accent), var(--accent-bright));
    color: #05231a;
    font-weight: 600;
    padding: 12px 22px;
    border-radius: 999px;
    box-shadow: 0 14px 34px var(--accent-glow);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
    z-index: 500;
    max-width: 90vw;
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

/* Footer ------------------------------------------------------------------- */
footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    text-align: center;
    padding: 34px 0;
}

footer .container {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: center;
}

footer a {
    color: var(--accent-bright);
    text-decoration: none;
    font-weight: 600;
}

footer a:hover {
    text-decoration: underline;
}

.footer-note {
    font-size: 0.85rem;
    opacity: 0.7;
}

/* Responsive --------------------------------------------------------------- */
@media (max-width: 560px) {
    .info-grid {
        grid-template-columns: 1fr;
    }

    .row {
        flex-wrap: wrap;
    }

    .row-label {
        flex-basis: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.001ms !important;
        animation-duration: 0.001ms !important;
    }
}