/* ─────────────────────────────────────────────────────────────────────────────
 * Scout — base styles (reset, typography, glassmorphism, layout primitives)
 * ───────────────────────────────────────────────────────────────────────────── */

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

html, body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

html {
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-page);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-head);
    font-weight: 700;
    line-height: 1.25;
    margin: 0 0 var(--space-3) 0;
    color: var(--text-primary);
}
h1 { font-size: 28px; }
h2 { font-size: 22px; }
h3 { font-size: 18px; }
h4 { font-size: 16px; }
h5 { font-size: 14px; }
h6 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; }

p { margin: 0 0 var(--space-3) 0; }

a {
    color: var(--color-brand-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}
a:hover { color: var(--color-brand-strong); }

code, kbd, samp, pre {
    font-family: var(--font-mono);
    font-size: 0.92em;
}

/* Form elements: inherit by default */
button, input, select, textarea {
    font: inherit;
    color: inherit;
}

button {
    background: transparent;
    border: 0;
    cursor: pointer;
    padding: 0;
}

img, svg { display: block; max-width: 100%; }

/* ─────────────────────────────────────────────────────────────────────────────
 * Reusable surfaces — glassmorphism
 * ───────────────────────────────────────────────────────────────────────────── */

.glass-panel {
    background: var(--surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
}

.surface-card {
    background: var(--surface-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
}

/* ─────────────────────────────────────────────────────────────────────────────
 * App shell layout
 * ───────────────────────────────────────────────────────────────────────────── */

.app-shell {
    display: flex;
    min-height: 100vh;
    padding: var(--space-3);
    gap: var(--space-3);
}

.app-main {
    flex: 1 1 auto;
    min-width: 0;
    padding: var(--space-3);
    margin-left: calc(var(--sidebar-w-expanded) + var(--space-3));
    transition: margin-left var(--transition-slow);
}

[data-sidebar="collapsed"] .app-main {
    margin-left: calc(var(--sidebar-w-collapsed) + var(--space-3));
}

@media (max-width: 768px) {
    .app-main { margin-left: 0; }
}

/* ─────────────────────────────────────────────────────────────────────────────
 * Buttons
 * ───────────────────────────────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    height: 40px;
    padding: 0 var(--space-4);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition-base);
    white-space: nowrap;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn:focus-visible {
    outline: 2px solid var(--color-brand-primary);
    outline-offset: 2px;
}

.btn--primary {
    background: var(--color-brand-primary);
    color: var(--text-on-accent);
    box-shadow: var(--shadow-accent);
}
.btn--primary:hover:not(:disabled) {
    transform: translateY(-1px);
    filter: brightness(1.07);
    box-shadow: var(--shadow-lg);
}

.btn--ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-primary);
}
.btn--ghost:hover:not(:disabled) {
    background: var(--surface-secondary);
    color: var(--text-primary);
}

.btn--danger {
    background: var(--color-danger);
    color: #fff;
}
.btn--danger:hover:not(:disabled) {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.btn--icon {
    width: 40px;
    padding: 0;
}

.btn--lg {
    height: 48px;
    border-radius: var(--radius-md);
    width: 100%;
}

/* ─────────────────────────────────────────────────────────────────────────────
 * Inputs
 * ───────────────────────────────────────────────────────────────────────────── */

.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.input-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.input,
.textarea,
.select {
    width: 100%;
    height: 44px;
    padding: 0 var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
    background: var(--surface-glass);
    color: var(--text-primary);
    transition: all var(--transition-base);
    font-family: inherit;
    font-size: 14px;
}
.textarea {
    height: auto;
    min-height: 96px;
    padding: var(--space-3) var(--space-4);
    resize: vertical;
}
.input:focus,
.textarea:focus,
.select:focus {
    outline: none;
    border-color: var(--color-brand-primary);
    box-shadow: 0 0 0 3px var(--color-brand-soft);
}
.input::placeholder { color: var(--text-tertiary); }

/* Dark mode: native <select> closed control + its <option> popup must use an
 * opaque dark background. The translucent --surface-glass renders white-on-white
 * for the OS-drawn option list, which CSS can't otherwise reach. */
[data-theme="dark"] select.input,
[data-theme="dark"] select.select,
[data-theme="dark"] select {
    background-color: var(--surface-control, #15151c);
    color: var(--text-primary);
}
[data-theme="dark"] select option,
[data-theme="dark"] select optgroup {
    background-color: var(--surface-control, #15151c);
    color: var(--text-primary);
}

/* ─────────────────────────────────────────────────────────────────────────────
 * Badges
 * ───────────────────────────────────────────────────────────────────────────── */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    line-height: 1.5;
}
.badge--success { background: rgba(16, 185, 129, 0.12); color: var(--color-success); }
.badge--info    { background: rgba(59, 130, 246, 0.12); color: var(--color-info); }
.badge--warning { background: rgba(245, 158, 11, 0.12); color: var(--color-warning); }
.badge--danger  { background: rgba(244, 63, 94, 0.12);  color: var(--color-danger); }
.badge--neutral { background: var(--surface-secondary); color: var(--text-secondary); }
.badge--accent  { background: var(--color-brand-soft);   color: var(--color-brand-primary); }

/* ─────────────────────────────────────────────────────────────────────────────
 * Page header
 * ───────────────────────────────────────────────────────────────────────────── */

.page-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}
.page-header__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}
.page-header__title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: 0;
}
.page-header__title svg { color: var(--color-brand-primary); }
.page-header__subtitle {
    color: var(--text-secondary);
    margin: 0;
}

/* ─────────────────────────────────────────────────────────────────────────────
 * Auth loader (anti-FOUC)
 * ───────────────────────────────────────────────────────────────────────────── */

.auth-loader {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-page);
    z-index: 9999;
}
.auth-loader__spinner {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid var(--border-primary);
    border-top-color: var(--color-brand-primary);
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─────────────────────────────────────────────────────────────────────────────
 * Scrollbar
 * ───────────────────────────────────────────────────────────────────────────── */

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ─────────────────────────────────────────────────────────────────────────────
 * Utilities
 * ───────────────────────────────────────────────────────────────────────────── */

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

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.w-full { width: 100%; }
.text-center { text-align: center; }
.text-secondary { color: var(--text-secondary); }
.text-tertiary  { color: var(--text-tertiary); }

/* === Common animations === */
@keyframes fade-in       { from { opacity: 0; }                   to { opacity: 1; } }
@keyframes fade-in-up    { from { opacity: 0; transform: translateY(8px); }   to { opacity: 1; transform: translateY(0); } }
@keyframes fade-in-down  { from { opacity: 0; transform: translateY(-8px); }  to { opacity: 1; transform: translateY(0); } }
@keyframes slide-in-right{ from { opacity: 0; transform: translateX(40px); }  to { opacity: 1; transform: translateX(0); } }
@keyframes slide-in-down { from { opacity: 0; transform: translateY(-40px); } to { opacity: 1; transform: translateY(0); } }