/* ====== Темы ====== */
body[data-theme="dark"] {
    --bg: #0f1317;
    --panel: #1b242c;
    --panel-grad1: #1a232b;
    --panel-grad2: #202a33;
    --text: #e9eef3;
    --muted: #95a1ad;
    --accent: #2e6bff;
    --warn: #e74c3c;
    --shadow-1: 12px 12px 28px rgba(0, 0, 0, 0.55);
    --shadow-2: -10px -10px 24px rgba(255, 255, 255, 0.03);
    --inset-1: inset 10px 10px 20px rgba(0, 0, 0, 0.4);
    --inset-2: inset -10px -10px 20px rgba(255, 255, 255, 0.02);
}

body[data-theme="light"] {
    --bg: #e9edf3;
    --panel: #f5f7fa;
    --panel-grad1: #ffffff;
    --panel-grad2: #eef2f7;
    --text: #1b2430;
    --muted: #5c6673;
    --accent: #0b61ff;
    --warn: #d53c2e;
    --shadow-1: 12px 12px 28px rgba(163, 177, 198, 0.55);
    --shadow-2: -10px -10px 24px rgba(255, 255, 255, 0.8);
    --inset-1: inset 8px 8px 18px rgba(163, 177, 198, 0.45);
    --inset-2: inset -8px -8px 18px rgba(255, 255, 255, 0.8);
}

/* ====== Neumorphic dashboard (dark & light like the calculator) ====== */
:root {
    /* dark theme (по умолчанию) */
    --bg: #0f1317;
    --panel: #1b242c;
    --panel-grad1: #1a232b;
    --panel-grad2: #202a33;
    --text: #e9eef3;
    --muted: #95a1ad;
    --accent: #2e6bff; /* синий как кнопка "=" */
    --warn: #e74c3c;

    /* тени для неоморфизма */
    --shadow-1: 12px 12px 28px rgba(0, 0, 0, 0.55);
    --shadow-2: -10px -10px 24px rgba(255, 255, 255, 0.03);
    --inset-1: inset 10px 10px 20px rgba(0, 0, 0, 0.4);
    --inset-2: inset -10px -10px 20px rgba(255, 255, 255, 0.02);

    --radius-lg: 22px;
    --radius-md: 16px;
    --radius-sm: 12px;
}

/* Автосветлая тема при системной светлой */
@media (prefers-color-scheme: light) {
    :root {
        --bg: #e9edf3;
        --panel: #f5f7fa;
        --panel-grad1: #ffffff;
        --panel-grad2: #eef2f7;
        --text: #1b2430;
        --muted: #5c6673;
        --accent: #0b61ff;
        --warn: #d53c2e;

        --shadow-1: 12px 12px 28px rgba(163, 177, 198, 0.55);
        --shadow-2: -10px -10px 24px rgba(255, 255, 255, 0.8);
        --inset-1: inset 8px 8px 18px rgba(163, 177, 198, 0.45);
        --inset-2: inset -8px -8px 18px rgba(255, 255, 255, 0.8);
    }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--text);
    background: radial-gradient(1200px 600px at 80% -10%, rgba(46, 107, 255, 0.12), transparent 60%),
    radial-gradient(800px 400px at -10% 110%, rgba(46, 107, 255, 0.08), transparent 60%),
    var(--bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px;
    min-height: 100vh;
}

/* ====== Header card ====== */
.dashboard-header {
    width: min(1200px, 92vw);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 22px;
    border-radius: var(--radius-lg);
    background: linear-gradient(160deg, var(--panel-grad1), var(--panel-grad2));
    box-shadow: var(--shadow-1), var(--shadow-2);
    gap: 16px;
}

.dashboard-header h1 {
    margin: 0;
    font-size: clamp(18px, 2.2vw, 28px);
    letter-spacing: 0.2px;
    font-weight: 650;
}

/* Logout как “пилюля” */
.logout {
    text-decoration: none;
    color: #fff;
    background: var(--accent);
    padding: 10px 16px;
    border-radius: 999px;
    font-weight: 600;
    box-shadow: 0 6px 18px rgba(46, 107, 255, 0.45);
    transition: transform .15s ease, box-shadow .2s ease, opacity .2s ease;
    white-space: nowrap;
}

.logout:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 26px rgba(46, 107, 255, 0.55);
}

.logout:active {
    transform: translateY(0);
    opacity: .9;
}

/* ====== Section title ====== */
.section-title {
    width: min(1200px, 92vw);
    margin: 26px 0 12px;
    font-size: clamp(16px, 1.8vw, 22px);
    font-weight: 700;
    color: var(--text);
    letter-spacing: .3px;
    position: relative;
    padding-left: 10px;
}

.section-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 1.4em;
    border-radius: 2px;
    background: var(--accent);
    box-shadow: 0 0 12px rgba(46, 107, 255, .6);
}

/* ====== Grid of tiles as round “buttons” ====== */
.services-grid {
    width: min(1200px, 92vw);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 18px;
    margin: 12px 0 6px;
}

/* Кнопка-плитка */
.service-tile {
    display: grid;
    place-items: center;
    text-align: center;
    padding: 22px 18px;
    border-radius: 28px;
    /* кругляши
                             как кнопки на калькуляторе */
    background: linear-gradient(145deg, var(--panel-grad1), var(--panel-grad2));
    color: var(--text);
    text-decoration: none;
    font-size: clamp(14px, 1.5vw, 18px);
    font-weight: 600;
    letter-spacing: .2px;
    box-shadow: var(--shadow-1), var(--shadow-2);
    transition: transform .12s ease, box-shadow .2s ease, opacity .2s ease;
    user-select: none;
    min-height: 70px;
}

/* Hover/active — ощущение физической кнопки */
.service-tile:hover {
    transform: translateY(-2px);
    box-shadow: 14px 14px 30px rgba(0, 0, 0, 0.55), -12px -12px 28px rgba(255, 255, 255, 0.04);
}

.service-tile:active {
    transform: translateY(0);
    box-shadow: var(--inset-1), var(--inset-2);
    opacity: .95;
}

/* Фокус клавиатурой */
.service-tile:focus-visible, .logout:focus-visible {
    outline: 3px solid color-mix(in oklab, var(--accent), white 15%);
    outline-offset: 2px;
}

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

.theme-toggle {
    background: var(--panel);
    color: var(--text);
    border: none;
    padding: 8px 12px;
    border-radius: 12px;
    font-size: 18px;
    cursor: pointer;
    box-shadow: var(--shadow-1), var(--shadow-2);
    transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.theme-toggle:hover {
    transform: translateY(-1px);
}

.theme-toggle:active {
    transform: translateY(0);
    box-shadow: var(--inset-1), var(--inset-2);
}

/* ====== Login card (если используется на других страницах) ====== */
.login-container {
    width: min(420px, 92vw);
    margin-top: 8vh;
    padding: 24px;
    border-radius: var(--radius-lg);
    background: linear-gradient(160deg, var(--panel-grad1), var(--panel-grad2));
    box-shadow: var(--shadow-1), var(--shadow-2);
    text-align: center;
}

.login-container h1 {
    color: var(--text);
    margin: 0 0 10px;
}

.login-container input {
    width: 100%;
    padding: 12px 14px;
    margin: 10px 0 14px;
    border: 0;
    border-radius: 16px;
    background: var(--panel);
    color: var(--text);
    box-shadow: var(--inset-1), var(--inset-2);
}

.login-container button {
    width: 100%;
    padding: 12px 16px;
    border: 0;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 8px 22px rgba(46, 107, 255, 0.45);
    transition: transform .15s ease, box-shadow .2s ease, opacity .2s ease;
}

.login-container button:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 28px rgba(46, 107, 255, 0.55);
}

.login-container button:active {
    transform: translateY(0);
    opacity: .92;
}

.error {
    color: var(--warn);
}

/* ====== Мелкие правки адаптива ====== */
@media (max-width: 640px) {
    .dashboard-header {
        padding: 14px 16px;
    }

    .logout {
        padding: 8px 14px;
    }

    .service-tile {
        min-height: 64px;
        border-radius: 24px;
    }
}