/* ==========================================================================
   Attentional Portal — Stylesheet
   ========================================================================== */

/* ---- Color Scheme / Design Tokens ---- */
:root {
    --primary:        #1A5FD4;
    --primary-hover:  #1550B8;
    --primary-light:  #eef2ff;
    --primary-100:    #e0e7ff;
    --primary-200:    #c7d2fe;
    --primary-600:    #1A5FD4;
    --primary-700:    #1A5FD4;
    --primary-800:    #1A5FD4;

    --text:           #1f2937;
    --text-secondary: #4b5563;
    --text-muted:     #9ca3af;

    --bg:             #f3f4f6;
    --bg-white:       #ffffff;
    --bg-hover:       #f9fafb;

    --border:         #e5e7eb;
    --border-light:   #f3f4f6;

    --success:        #059669;
    --success-bg:     #ecfdf5;
    --danger:         #dc2626;
    --danger-bg:      #fef2f2;
    --warning:        #d97706;
    --warning-bg:     #fffbeb;
    --info:           #2563eb;
    --info-bg:        #eff6ff;

    --sidebar-width:           250px;
    --sidebar-collapsed-width: 64px;
    --topbar-height:           56px;

    --radius:    8px;
    --radius-sm: 4px;
    --shadow:    0 0 1px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04);
    --shadow-md: 0 4px 6px rgba(0,0,0,.06), 0 2px 4px rgba(0,0,0,.04);
    --shadow-lg: 0 10px 15px rgba(0,0,0,.08);

    --transition: .2s ease;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; -webkit-font-smoothing: antialiased; }
body { font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; color: var(--text); background: var(--bg); line-height: 1.55; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }
img { max-width: 100%; display: block; }
table { width: 100%; border-collapse: collapse; }

/* ---- Utility ---- */
.hidden   { display: none !important; }
.text-center  { text-align: center; }
.text-muted   { color: var(--text-muted); }
.text-danger  { color: var(--danger); }
.text-sm      { font-size: .85rem; }
.p-md         { padding: 1.25rem; }
.required     { color: var(--danger); }
.icon         { vertical-align: middle; flex-shrink: 0; }

/* ==========================================================================
   LOGIN PAGE
   ========================================================================== */
.login-body {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh; background: var(--bg);
}
.login-wrapper { width: 100%; max-width: 400px; padding: 1rem; }
.login-card {
    background: var(--bg-white); border-radius: var(--radius);
    box-shadow: var(--shadow-lg); padding: 2.5rem 2rem 2rem;
}
.login-brand {
    text-align: center; margin-bottom: 2rem;
}
.login-brand h1 { font-size: 1.25rem; font-weight: 600; margin-top: .75rem; color: var(--text); }
.brand-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; border-radius: var(--radius-sm);
    background: var(--primary); color: #fff; font-weight: 700; font-size: .9rem;
    letter-spacing: .5px;
}
.brand-icon-lg { width: 52px; height: 52px; font-size: 1.15rem; border-radius: var(--radius); }

/* ==========================================================================
   APP LAYOUT
   ========================================================================== */
.app-body { display: flex; min-height: 100vh; }

/* ---- Sidebar ---- */
.sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: var(--sidebar-width); background: var(--bg-white);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column;
    transition: width var(--transition);
    z-index: 100; overflow: hidden;
}
.sidebar.collapsed { width: var(--sidebar-collapsed-width); }

.sidebar-header {
    display: flex; align-items: center; gap: .65rem;
    padding: 0 .75rem; border-bottom: 1px solid var(--border);
    min-height: var(--topbar-height); white-space: nowrap; overflow: hidden;
}
.brand-text {
    font-weight: 700; font-size: .95rem; color: var(--text);
    opacity: 1; transition: opacity var(--transition);
}
.sidebar.collapsed .brand-text { opacity: 0; width: 0; }

.sidebar-nav {
    flex: 1; overflow-y: auto; padding: .5rem 0;
}
.nav-item {
    display: flex; align-items: center; gap: .7rem;
    padding: .55rem 1rem; margin: 2px 0; border-radius: var(--radius-sm);
    color: var(--text-secondary); font-size: .9rem; white-space: nowrap;
    transition: background var(--transition), color var(--transition);
    text-decoration: none;
}
.nav-item:hover { background: var(--bg); color: var(--text); }
.nav-item.active {
    background: var(--primary-light); color: var(--primary);
    font-weight: 600;
}
.nav-icon { display: inline-flex; align-items: center; justify-content: center; width: 22px; }
.nav-text { opacity: 1; transition: opacity var(--transition); }
.sidebar.collapsed .nav-text { opacity: 0; width: 0; overflow: hidden; }
.sidebar.collapsed .nav-item { justify-content: center; padding-left: 0; padding-right: 0; margin: 2px 6px; }

.sidebar-footer {
    border-top: 1px solid var(--border);
    padding: .5rem; display: flex; flex-direction: column; gap: .25rem;
}
.sidebar-toggle {
    display: flex; align-items: center; justify-content: center;
    background: none; border: 1px solid var(--border); border-radius: var(--radius-sm);
    padding: .4rem; cursor: pointer; color: var(--text-muted);
    transition: background var(--transition), color var(--transition);
}
.sidebar-toggle:hover { background: var(--bg); color: var(--text); }
.sidebar.collapsed .sidebar-toggle svg { transform: rotate(180deg); }

/* ---- Main Content ---- */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1; display: flex; flex-direction: column;
    transition: margin-left var(--transition);
}
.sidebar.collapsed ~ .main-content { margin-left: var(--sidebar-collapsed-width); }

.topbar {
    display: flex; align-items: center; gap: 1rem;
    padding: 0 1.5rem; height: var(--topbar-height);
    background: var(--bg-white); border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 50;
}
.topbar-menu-btn {
    display: none; background: none; border: none; cursor: pointer;
    color: var(--text-secondary); padding: .25rem;
}
.page-title { font-size: 1.15rem; font-weight: 600; flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: .75rem; }
.topbar-user { font-size: .85rem; color: var(--text-secondary); }

.content { padding: 1.5rem; flex: 1; }

/* ==========================================================================
   TABS
   ========================================================================== */
.tabs {
    display: flex; gap: 0; border-bottom: 2px solid var(--border);
    margin-bottom: 1.25rem;
}
.tabs a {
    padding: .6rem 1.15rem; font-size: .9rem; font-weight: 500;
    color: var(--text-secondary); border-bottom: 2px solid transparent;
    margin-bottom: -2px; transition: color var(--transition), border-color var(--transition);
}
.tabs a:hover { color: var(--text); }
.tabs a.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* ==========================================================================
   CARDS
   ========================================================================== */
.card {
    background: var(--bg-white); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1.25rem;
    box-shadow: var(--shadow);
}
.card-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1.25rem; flex-wrap: wrap; gap: .5rem;
}
.card-title { font-size: 1.05rem; font-weight: 600; }
.section-title { font-size: .95rem; font-weight: 600; margin: 1.25rem 0 .75rem; }

/* ==========================================================================
   FORMS
   ========================================================================== */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: .85rem; font-weight: 500; margin-bottom: .3rem; color: var(--text-secondary); }
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="url"],
.form-group input[type="search"],
.form-group textarea,
.form-group select {
    width: 100%; padding: .55rem .75rem; font-size: .9rem;
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    background: var(--bg-white); color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
    font-family: inherit;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-100);
}
.form-group textarea { resize: vertical; }

.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0 1rem; }

.form-actions { display: flex; gap: .75rem; margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--border-light); }

.form-error {
    background: var(--danger-bg); color: var(--danger);
    padding: .6rem .85rem; border-radius: var(--radius-sm);
    font-size: .85rem; margin-bottom: 1rem;
}

.checkbox-label {
    display: flex; align-items: center; gap: .5rem; font-size: .9rem;
    cursor: pointer; padding: .3rem 0;
}
.checkbox-label input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--primary); cursor: pointer; }

.permissions-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: .25rem .5rem; padding: .5rem 0;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .5rem 1rem; font-size: .9rem; font-weight: 500;
    border: 1px solid transparent; border-radius: var(--radius-sm);
    cursor: pointer; transition: background var(--transition), border-color var(--transition), color var(--transition);
    font-family: inherit; text-decoration: none; line-height: 1.4;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }

.btn-primary   { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #fff; }

.btn-danger    { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: #b91c1c; border-color: #b91c1c; color: #fff; }

.btn-outline   { background: var(--bg-white); color: var(--text-secondary); border-color: var(--border); }
.btn-outline:hover { background: var(--bg); color: var(--text); }

.btn-danger-outline { background: var(--bg-white); color: var(--danger); border-color: var(--border); }
.btn-danger-outline:hover { background: var(--danger-bg); border-color: var(--danger); }

.btn-sm { padding: .3rem .65rem; font-size: .8rem; }
.btn-block { width: 100%; justify-content: center; }
.btn-label { }

/* ==========================================================================
   TABLES
   ========================================================================== */
.table-wrap { overflow-x: auto; margin: 0 -1.5rem; padding: 0 1.5rem; }
table thead th {
    text-align: left; font-size: .8rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .03em;
    color: var(--text-muted); padding: .6rem .75rem;
    border-bottom: 1px solid var(--border);
}
table tbody td {
    padding: .65rem .75rem; border-bottom: 1px solid var(--border-light);
    font-size: .9rem; vertical-align: middle;
}
table tbody tr:last-child td { border-bottom: none; }
table tbody tr:hover { background: var(--bg-hover); }
.th-actions, .td-actions { text-align: right; white-space: nowrap; }
.td-actions { display: flex; gap: .35rem; justify-content: flex-end; }
.row-warning { background: var(--warning-bg); }

/* ==========================================================================
   BADGES & STATUS
   ========================================================================== */
.badge {
    display: inline-block; padding: .15rem .55rem;
    font-size: .75rem; font-weight: 600; border-radius: 999px;
    background: var(--bg); color: var(--text-secondary);
    border: 1px solid var(--border);
}
.badge-primary { background: var(--primary-light); color: var(--primary); border-color: var(--primary-200); }

.status-dot {
    display: inline-flex; align-items: center; gap: .35rem;
    font-size: .85rem;
}
.status-dot::before {
    content: ''; display: inline-block;
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--text-muted);
}
.status-dot.active::before  { background: var(--success); }
.status-dot.inactive::before { background: var(--text-muted); }

/* ==========================================================================
   TOAST NOTIFICATIONS
   ========================================================================== */
#toast-container {
    position: fixed; top: 1rem; right: 1rem;
    z-index: 9999; display: flex; flex-direction: column; gap: .5rem;
    pointer-events: none;
}
.toast {
    pointer-events: auto;
    min-width: 280px; max-width: 420px;
    padding: .75rem 1rem; border-radius: var(--radius-sm);
    font-size: .875rem; line-height: 1.4;
    box-shadow: var(--shadow-md);
    display: flex; align-items: center; gap: .65rem;
    animation: toastIn .25s ease;
    background: var(--bg-white); border: 1px solid var(--border);
    color: var(--text);
}
.toast.success { border-left: 4px solid var(--success); }
.toast.error   { border-left: 4px solid var(--danger); }
.toast.info    { border-left: 4px solid var(--info); }
.toast.fade-out { animation: toastOut .25s ease forwards; }

@keyframes toastIn  { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(30px); } }

/* ==========================================================================
   MODAL
   ========================================================================== */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,.35);
    display: flex; align-items: center; justify-content: center;
    z-index: 9000;
}
.modal-overlay.hidden { display: none; }
.modal-box {
    background: var(--bg-white); border-radius: var(--radius);
    box-shadow: var(--shadow-lg); padding: 1.5rem; width: 100%; max-width: 420px;
    animation: modalIn .2s ease;
}
.modal-box h3 { font-size: 1.05rem; margin-bottom: .75rem; }
.modal-box p  { font-size: .9rem; color: var(--text-secondary); margin-bottom: 1.25rem; }
.modal-actions { display: flex; gap: .5rem; justify-content: flex-end; }

@keyframes modalIn { from { opacity: 0; transform: scale(.95); } to { opacity: 1; transform: scale(1); } }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width) !important;
        box-shadow: var(--shadow-lg);
    }
    .sidebar.mobile-open { transform: translateX(0); }
    .main-content { margin-left: 0 !important; }
    .topbar-menu-btn { display: flex; }
    .topbar-user { display: none; }
    .btn-label { display: none; }
    .form-row { grid-template-columns: 1fr; }
}