/* SmartDecisions demo — light corporate theme aligned with BearSoft identity
 * (navy + brown paw + cream). Used across login, home, excel, playground and
 * routes pages. */

:root {
    --bg:              #ffffff;
    --bg-alt:          #f7f3ea;
    --panel:           #ffffff;
    --panel-elevated:  #f7f3ea;
    --border:          #e3dccc;
    --border-strong:   #cbbfa3;
    --text:            #0d1e4c;
    --text-strong:     #07142e;
    --muted:           #5e6580;

    --accent:          #0d1e4c;   /* navy = primary brand */
    --accent-strong:   #07142e;
    --accent-2:        #7a4a2a;   /* brown paw = secondary */
    --accent-2-strong: #5a3618;
    --accent-3:        #c4a378;   /* tan highlight */

    --success:         #2d7d46;
    --danger:          #c0392b;
    --warning:         #c8941d;

    --radius:          14px;
    --radius-sm:       8px;
    --max-width:       1140px;
    --font:            'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --shadow-lg:       0 10px 40px rgba(13, 30, 76, 0.12);
    --shadow-sm:       0 2px 8px rgba(13, 30, 76, 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; font-weight: 600; }
a:hover { color: var(--accent-2); }

code {
    background: #f1ecd9;
    border: 1px solid var(--border);
    color: var(--accent-2-strong);
    padding: 0.05rem 0.4rem;
    border-radius: 6px;
    font-size: 0.88em;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============ Header / Nav ============ */
.demo-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(140%) blur(10px);
    border-bottom: 1px solid var(--border);
}
.demo-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 1.5rem;
    gap: 1rem;
}
.brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
}
.brand img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent);
    background: var(--bg);
}
.brand-text { font-size: 1.15rem; letter-spacing: -0.01em; }
.accent { color: var(--accent-2); }

.demo-nav-actions {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    font-size: 0.9rem;
    color: var(--muted);
}
.demo-nav-actions .user-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.75rem;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--text);
    font-weight: 600;
}

/* ============ Buttons ============ */
.btn {
    display: inline-block;
    padding: 0.8rem 1.4rem;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.95rem;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: transform 0.15s ease, background 0.2s ease,
                border-color 0.2s ease, color 0.2s ease;
    font-family: inherit;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-primary {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
}
.btn-primary:hover:not(:disabled) {
    background: var(--accent-strong);
    border-color: var(--accent-strong);
    transform: translateY(-1px);
}
.btn-ghost {
    background: transparent;
    color: var(--accent);
    border-color: var(--border-strong);
}
.btn-ghost:hover:not(:disabled) {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--bg-alt);
}
.btn-secondary {
    background: var(--accent-2);
    color: #ffffff;
    border-color: var(--accent-2);
}
.btn-secondary:hover:not(:disabled) {
    background: var(--accent-2-strong);
    border-color: var(--accent-2-strong);
}
.btn-danger {
    background: transparent;
    color: var(--danger);
    border-color: var(--danger);
}
.btn-danger:hover:not(:disabled) {
    background: rgba(192, 57, 43, 0.08);
}
.btn-small { padding: 0.5rem 0.95rem; font-size: 0.88rem; }

/* ============ Layout: page + cards ============ */
main { min-height: calc(100vh - 64px); padding: 2.5rem 0; background: var(--bg); }

.page-title {
    margin: 0 0 0.4rem;
    font-size: clamp(1.6rem, 2.6vw, 2.1rem);
    letter-spacing: -0.015em;
    color: var(--text);
}
.page-subtitle { color: var(--muted); margin: 0 0 2rem; max-width: 720px; }

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.6rem;
    box-shadow: var(--shadow-sm);
}
.card-elevated { background: var(--panel-elevated); box-shadow: var(--shadow-lg); }
.card h3 { margin: 0 0 0.5rem; font-size: 1.15rem; color: var(--text); }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.2rem;
}

.module-card {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    padding: 1.8rem;
    border-radius: var(--radius);
    background: var(--panel);
    border: 1px solid var(--border);
    transition: transform 0.18s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    color: var(--text);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}
.module-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent-2);
    box-shadow: var(--shadow-lg);
    color: var(--text);
}
.module-icon { font-size: 2rem; }
.module-card h3 { margin: 0; color: var(--text); }
.module-card p { color: var(--muted); margin: 0; font-size: 0.95rem; }
.module-tag {
    margin-top: 0.4rem;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--accent-2);
    font-weight: 700;
}

/* ============ Forms ============ */
.form-card {
    max-width: 420px;
    margin: 0 auto;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}
.form-stack { display: grid; gap: 0.9rem; }
.form-stack label {
    display: grid;
    gap: 0.35rem;
    font-size: 0.9rem;
    color: var(--muted);
    font-weight: 600;
}
.form-stack input,
.form-stack textarea,
.form-stack select {
    background: var(--bg);
    border: 1px solid var(--border-strong);
    color: var(--text);
    padding: 0.7rem 0.9rem;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-stack input:focus,
.form-stack textarea:focus,
.form-stack select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(13, 30, 76, 0.10);
}
.form-note { font-size: 0.85rem; color: var(--muted); min-height: 1.2em; margin: 0; }
.form-note.error { color: var(--danger); font-weight: 600; }
.form-note.success { color: var(--success); font-weight: 600; }

/* ============ Upload zone (global, reused across modules) ============ */
.upload-zone {
    border: 1.5px dashed var(--border-strong);
    border-radius: var(--radius);
    padding: 1.4rem 1rem;
    margin: 0.6rem 0 1rem;
    text-align: center;
    background: var(--bg-alt);
    transition: border-color 0.18s ease, background 0.18s ease;
    cursor: pointer;
}
.upload-zone.dragover {
    border-color: var(--accent);
    background: #f1ecd9;
}
.upload-hint { color: var(--muted); margin: 0; font-size: 0.9rem; }
.upload-hint a { font-weight: 700; }
.file-chip {
    margin: 0.7rem auto 0;
    display: inline-block;
    background: var(--bg);
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    padding: 0.3rem 0.85rem;
    color: var(--text);
    font-size: 0.82rem;
    font-weight: 600;
}

/* ============ Toasts ============ */
.sd-toast-container {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    max-width: 360px;
}
.sd-toast {
    background: var(--panel);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    color: var(--text);
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    box-shadow: var(--shadow-lg);
    animation: sd-toast-in 0.2s ease;
}
.sd-toast-success { border-left-color: var(--success); }
.sd-toast-error { border-left-color: var(--danger); }
.sd-toast-info { border-left-color: var(--accent-2); }
.sd-toast-leaving { opacity: 0; transform: translateX(20px); transition: all 0.2s ease; }

@keyframes sd-toast-in {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ============ Footer ============ */
.demo-footer {
    border-top: 1px solid var(--border);
    padding: 1.4rem 0;
    color: var(--muted);
    font-size: 0.85rem;
    text-align: center;
    background: var(--bg);
}
.demo-footer strong { color: var(--accent); }

/* ============ Responsive ============ */
@media (max-width: 720px) {
    .demo-nav-actions span:not(.user-chip) { display: none; }
    main { padding: 1.5rem 0; }
}