/* ============================================================
   SMS Dashboard — Main Stylesheet
   Dark theme, mobile-responsive
   ============================================================ */

/* ---------- Reset & tokens ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg:           #0d1117;
    --surface:      #161b22;
    --surface2:     #21262d;
    --surface3:     #2d333b;
    --border:       #30363d;
    --primary:      #58a6ff;
    --primary-dim:  #1f6feb;
    --success:      #3fb950;
    --warning:      #d29922;
    --danger:       #f85149;
    --purple:       #bc8cff;
    --text:         #e6edf3;
    --text-muted:   #8b949e;
    --text-dim:     #484f58;
    --radius:       8px;
    --radius-lg:    12px;
    --shadow:       0 8px 24px rgba(0,0,0,.4);
    --transition:   .18s ease;
    --sidebar-w:    240px;
}

html { font-size: 15px; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Layout ---------- */
.layout {
    display: flex;
    min-height: 100vh;
}

/* ---------- Sidebar ---------- */
.sidebar {
    width: var(--sidebar-w);
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    z-index: 100;
    transition: transform var(--transition);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 16px;
    border-bottom: 1px solid var(--border);
}
.brand-icon  { font-size: 1.5rem; }
.brand-name  { font-weight: 700; font-size: 1.05rem; letter-spacing: -.3px; }

.sidebar-nav {
    flex: 1;
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    border-radius: var(--radius);
    color: var(--text-muted);
    font-size: .9rem;
    transition: background var(--transition), color var(--transition);
    text-decoration: none;
}
.nav-link:hover { background: var(--surface2); color: var(--text); text-decoration: none; }
.nav-link.active { background: var(--primary-dim); color: var(--text); }
.nav-icon { width: 18px; height: 18px; flex-shrink: 0; }

.sidebar-footer {
    padding: 12px 12px 16px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}
.user-info { flex: 1; display: flex; align-items: center; gap: 9px; min-width: 0; }
.user-avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--primary-dim);
    color: var(--text);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: .85rem;
    flex-shrink: 0;
}
.user-details { display: flex; flex-direction: column; min-width: 0; }
.user-name { font-size: .85rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: .7rem; font-weight: 600; letter-spacing: .5px; text-transform: uppercase; }

.btn-logout {
    display: flex; align-items: center; justify-content: center;
    width: 30px; height: 30px;
    border-radius: var(--radius);
    color: var(--text-muted);
    transition: background var(--transition), color var(--transition);
}
.btn-logout:hover { background: var(--surface3); color: var(--danger); text-decoration: none; }
.btn-logout svg { width: 16px; height: 16px; }

/* ---------- Main content ---------- */
.main-content {
    margin-left: var(--sidebar-w);
    flex: 1;
    padding: 28px 32px;
    max-width: 1200px;
    width: 100%;
}

/* ---------- Page header ---------- */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
}
.page-title { font-size: 1.5rem; font-weight: 700; letter-spacing: -.4px; }
.page-subtitle { color: var(--text-muted); font-size: .9rem; margin-top: 2px; }

/* ---------- Cards ---------- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
}
.card-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}
.card-title { font-size: 1rem; font-weight: 600; }

/* ---------- Stats strip ---------- */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
}
.stat-value { font-size: 1.8rem; font-weight: 700; line-height: 1; }
.stat-label { font-size: .78rem; color: var(--text-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: .5px; }

/* ---------- SMS message cards ---------- */
.sms-grid {
    display: grid;
    gap: 12px;
}
.sms-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 18px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    align-items: start;
    transition: border-color var(--transition);
    cursor: pointer;
}
.sms-card:hover { border-color: var(--primary-dim); }
.sms-card.expanded .sms-body { -webkit-line-clamp: unset; }

.sms-avatar {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-dim), var(--purple));
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: .9rem;
    flex-shrink: 0;
    color: #fff;
}
.sms-meta { min-width: 0; }
.sms-phone { font-weight: 600; font-size: .95rem; }
.sms-body {
    color: var(--text-muted);
    font-size: .88rem;
    margin-top: 3px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
    white-space: pre-wrap;
}
.sms-side { text-align: right; flex-shrink: 0; }
.sms-time { font-size: .78rem; color: var(--text-muted); white-space: nowrap; }
.sms-device { font-size: .72rem; color: var(--text-dim); margin-top: 3px; }

.sms-delete-btn {
    background: none; border: none; cursor: pointer;
    color: var(--text-dim);
    padding: 4px;
    border-radius: 4px;
    transition: color var(--transition), background var(--transition);
    margin-top: 4px;
}
.sms-delete-btn:hover { color: var(--danger); background: rgba(248,81,73,.1); }
.sms-delete-btn svg { width: 14px; height: 14px; }

/* ---------- Search & filters ---------- */
.toolbar {
    display: flex;
    gap: 10px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}
.search-wrap {
    flex: 1;
    min-width: 200px;
    position: relative;
}
.search-wrap svg {
    position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
    width: 16px; height: 16px; color: var(--text-muted);
    pointer-events: none;
}
.search-input {
    width: 100%;
    padding: 9px 12px 9px 34px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: .9rem;
    outline: none;
    transition: border-color var(--transition);
}
.search-input:focus { border-color: var(--primary); }
.search-input::placeholder { color: var(--text-dim); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: .88rem; font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}
.btn svg { width: 15px; height: 15px; }
.btn-primary  { background: var(--primary);     color: #0d1117; border-color: var(--primary); }
.btn-primary:hover  { background: #79c0ff; border-color: #79c0ff; text-decoration: none; }
.btn-secondary { background: var(--surface2); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--surface3); text-decoration: none; }
.btn-danger   { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn-danger:hover   { background: rgba(248,81,73,.1); text-decoration: none; }
.btn-success  { background: var(--success); color: #0d1117; }
.btn-success:hover  { opacity: .85; text-decoration: none; }
.btn-sm { padding: 5px 10px; font-size: .8rem; }
.btn-icon { padding: 7px; }

/* ---------- Badges ---------- */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .4px;
    text-transform: uppercase;
}
.badge-admin   { background: rgba(88,166,255,.15); color: var(--primary);  }
.badge-viewer  { background: rgba(63,185,80,.12);  color: var(--success); }
.badge-active  { background: rgba(63,185,80,.12);  color: var(--success); }
.badge-inactive{ background: rgba(248,81,73,.1);   color: var(--danger);  }
.badge-enabled { background: rgba(63,185,80,.12);  color: var(--success); }
.badge-disabled{ background: var(--surface3);      color: var(--text-muted); }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 16px; }
.form-label {
    display: block;
    font-size: .85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: .4px;
}
.form-control {
    width: 100%;
    padding: 9px 12px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: .9rem;
    outline: none;
    transition: border-color var(--transition);
}
.form-control:focus { border-color: var(--primary); }
.form-control::placeholder { color: var(--text-dim); }
select.form-control option { background: var(--surface2); }
.form-hint { font-size: .78rem; color: var(--text-muted); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ---------- Alerts ---------- */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: .88rem;
    margin-bottom: 16px;
    border: 1px solid;
}
.alert-error   { background: rgba(248,81,73,.1);   border-color: var(--danger);  color: var(--danger); }
.alert-success { background: rgba(63,185,80,.1);   border-color: var(--success); color: var(--success); }
.alert-info    { background: rgba(88,166,255,.08); border-color: var(--primary); color: var(--primary); }
.alert-warning { background: rgba(210,153,34,.1);  border-color: var(--warning); color: var(--warning); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th {
    text-align: left;
    padding: 10px 14px;
    font-size: .75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .5px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--surface2); }

/* ---------- Modal ---------- */
.modal-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.7);
    z-index: 200;
    align-items: center; justify-content: center;
    padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%; max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp .2s ease;
}
@keyframes slideUp { from { opacity:0; transform: translateY(20px); } to { opacity:1; transform: translateY(0); } }
.modal-header {
    padding: 18px 20px 14px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
}
.modal-title { font-weight: 700; font-size: 1rem; }
.modal-close {
    background: none; border: none; cursor: pointer;
    color: var(--text-muted); padding: 4px;
    border-radius: 4px;
    transition: color var(--transition);
}
.modal-close:hover { color: var(--text); }
.modal-close svg { width: 18px; height: 18px; }
.modal-body    { padding: 20px; }
.modal-footer  { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

/* ---------- Login page ---------- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--bg);
}
.login-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow);
}
.login-logo { text-align: center; font-size: 2.5rem; margin-bottom: 10px; }
.login-title { text-align: center; font-size: 1.4rem; font-weight: 700; margin-bottom: 4px; }
.login-sub   { text-align: center; color: var(--text-muted); font-size: .88rem; margin-bottom: 28px; }
.login-divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

/* ---------- 2FA setup ---------- */
.qr-wrap {
    text-align: center;
    padding: 20px;
    background: #ffffff;
    border-radius: var(--radius);
    display: inline-block;
    margin: 0 auto 16px;
}
.totp-secret {
    font-family: monospace;
    font-size: .85rem;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 14px;
    word-break: break-all;
    text-align: center;
    letter-spacing: 2px;
}

/* ---------- Pagination ---------- */
.pagination {
    display: flex; gap: 4px; align-items: center;
    justify-content: center;
    margin-top: 24px;
    flex-wrap: wrap;
}
.page-btn {
    padding: 6px 12px;
    border-radius: var(--radius);
    background: var(--surface2);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: .85rem;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}
.page-btn:hover { background: var(--surface3); text-decoration: none; }
.page-btn.active { background: var(--primary-dim); border-color: var(--primary-dim); color: #fff; }
.page-btn:disabled, .page-btn.disabled { opacity: .4; cursor: default; pointer-events: none; }

/* ---------- Empty state ---------- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}
.empty-icon { font-size: 3rem; margin-bottom: 12px; opacity: .5; }
.empty-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 6px; }
.empty-desc  { font-size: .88rem; }

/* ---------- Auto-refresh indicator ---------- */
.refresh-bar {
    display: flex; align-items: center; gap: 8px;
    font-size: .8rem; color: var(--text-muted);
}
.refresh-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.3; } }

/* ---------- Toast ---------- */
#toast-container {
    position: fixed; bottom: 24px; right: 24px;
    z-index: 9999; display: flex; flex-direction: column; gap: 8px;
}
.toast {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    font-size: .88rem;
    animation: slideInRight .2s ease;
    max-width: 320px;
    box-shadow: var(--shadow);
}
.toast.success { border-color: var(--success); color: var(--success); }
.toast.error   { border-color: var(--danger);  color: var(--danger);  }
@keyframes slideInRight { from { opacity:0; transform:translateX(20px); } to { opacity:1; transform:translateX(0); } }

/* ---------- Code / mono ---------- */
.code-block {
    font-family: 'SFMono-Regular', Consolas, monospace;
    font-size: .8rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    white-space: pre;
    overflow-x: auto;
    color: var(--text-muted);
}

/* ---------- Setup page ---------- */
.setup-step {
    counter-increment: setup-step;
    display: flex; gap: 16px; margin-bottom: 28px;
}
.step-num {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--primary-dim);
    color: #fff;
    font-weight: 700;
    font-size: .85rem;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; margin-top: 2px;
}
.step-content { flex: 1; }
.step-title { font-weight: 600; margin-bottom: 6px; }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    :root { --sidebar-w: 0px; }
    .sidebar {
        transform: translateX(-240px);
        width: 240px;
    }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; padding: 16px; }
    .form-row { grid-template-columns: 1fr; }
    .login-box { padding: 24px 20px; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .hamburger { display: flex; }
}
.hamburger {
    display: none;
    background: none; border: none;
    color: var(--text); cursor: pointer;
    padding: 6px;
}
.hamburger svg { width: 22px; height: 22px; }

/* ---------- Utility ---------- */
.text-muted   { color: var(--text-muted); }
.text-danger  { color: var(--danger); }
.text-success { color: var(--success); }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.flex { display: flex; }
.gap-2 { gap: 8px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }
.hidden { display: none !important; }