/* ==========================================================================
   KRONA TEMP ADMIN — Production-Like Administrative Console Styling
   Supports Light, Medium, and Dark themes with zero external dependencies.
   ========================================================================== */

:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    
    /* Theme: Light (Default) */
    --bg-app: #F3F1EB;
    --bg-workspace: #F5F3ED;
    --bg-card: #FAF9F5;
    --bg-nested: #F0EEE8;
    --border-color: #DCD9D0;
    --border-subtle: #E8E5DD;
    
    --text-primary: #252824;
    --text-secondary: #6D7069;
    --text-muted: #9BA096;
    
    --brand-green: #2F684C;
    --brand-green-hover: #26553E;
    --soft-green: #DDE9DF;
    --soft-green-text: #1E4D36;
    
    --accent-orange: #C87D32;
    --accent-orange-hover: #AF6B28;
    
    --danger: #C24136;
    --danger-soft: #FDE8E6;
    --danger-text: #922017;
    
    --warning: #D9822B;
    --warning-soft: #FEF3E6;
    --warning-text: #9B5612;

    --info: #2B6CB0;
    --info-soft: #EBF4FE;
    --info-text: #1A497A;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

[data-theme="medium"] {
    --bg-app: #202320;
    --bg-workspace: #272B26;
    --bg-card: #2F342E;
    --bg-nested: #3B4139;
    --border-color: #434B41;
    --border-subtle: #363D34;
    
    --text-primary: #E2E8E0;
    --text-secondary: #9FA79C;
    --text-muted: #747C71;
    
    --brand-green: #458564;
    --brand-green-hover: #529B76;
    --soft-green: #2A4234;
    --soft-green-text: #A7DDC0;
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] {
    --bg-app: #141714;
    --bg-workspace: #1B1E1B;
    --bg-card: #222622;
    --bg-nested: #2C322C;
    --border-color: #353D35;
    --border-subtle: #293029;
    
    --text-primary: #E0E6DF;
    --text-secondary: #8E968D;
    --text-muted: #656D64;
    
    --brand-green: #3B7554;
    --brand-green-hover: #488E67;
    --soft-green: #1F3628;
    --soft-green-text: #96CFB0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-app);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

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

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 20;
}

.brand {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.logo-icon {
    font-size: 24px;
}

.brand-text h2 {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.badge-pilot {
    background-color: var(--soft-green);
    color: var(--soft-green-text);
    margin-top: 4px;
}

.badge-active {
    background-color: var(--soft-green);
    color: var(--soft-green-text);
}

.badge-inactive, .badge-disabled {
    background-color: var(--danger-soft);
    color: var(--danger-text);
}

.nav-menu {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: all 0.15s ease;
    width: 100%;
}

.nav-item:hover {
    background-color: var(--bg-nested);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: var(--soft-green);
    color: var(--soft-green-text);
    font-weight: 600;
}

.nav-item .icon {
    font-size: 16px;
    width: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-muted);
}

.system-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #9BA096;
}

.status-dot.online {
    background-color: #2F684C;
    box-shadow: 0 0 0 2px rgba(47, 104, 76, 0.2);
}

.status-dot.offline {
    background-color: var(--danger);
}

/* Content Area */
.content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background-color: var(--bg-workspace);
}

.topbar {
    padding: 16px 32px;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar-title h1 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 2px;
}

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

.theme-selector {
    display: flex;
    background-color: var(--bg-nested);
    border-radius: 8px;
    padding: 2px;
    border: 1px solid var(--border-color);
}

.theme-btn {
    border: none;
    background: transparent;
    padding: 6px 10px;
    font-size: 12px;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.15s ease;
}

.theme-btn.active {
    background-color: var(--bg-card);
    color: var(--text-primary);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.user-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background-color: var(--bg-nested);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.main-view {
    padding: 32px;
    flex: 1;
    overflow-y: auto;
}

/* Tabs */
.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.15s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--brand-green);
    color: #FFFFFF;
}

.btn-primary:hover {
    background-color: var(--brand-green-hover);
}

.btn-secondary {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--bg-nested);
}

.btn-danger {
    background-color: var(--danger-soft);
    color: var(--danger-text);
    border-color: rgba(194, 65, 54, 0.2);
}

.btn-danger:hover {
    background-color: #F8D2CF;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

/* Cards & Grid */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.card-value {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.card-desc {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Tables */
.table-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-top: 16px;
}

.table-toolbar {
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-nested);
}

.search-input {
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-card);
    color: var(--text-primary);
    font-size: 13px;
    min-width: 260px;
}

.search-input:focus {
    outline: none;
    border-color: var(--brand-green);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
}

th {
    padding: 12px 20px;
    background-color: var(--bg-nested);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-primary);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: var(--bg-nested);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(2px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 100%;
    max-width: 480px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: modalIn 0.2s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.96); }
    to { opacity: 1; transform: scale(1); }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 17px;
    font-weight: 700;
}

.modal-close {
    border: none;
    background: transparent;
    font-size: 18px;
    cursor: pointer;
    color: var(--text-muted);
}

.modal-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-nested);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Form inputs */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-control {
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-nested);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--brand-green);
    background-color: var(--bg-card);
}

/* QR Code Display */
.qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background-color: #FFFFFF;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin: 8px 0;
}

.manual-code {
    font-family: monospace;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: #1A1A1A;
    background: #F0EEE8;
    padding: 8px 16px;
    border-radius: 8px;
    margin-top: 16px;
    border: 1px dashed #C8C5BD;
}

.timer-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 700;
    color: var(--brand-green);
    background-color: var(--soft-green);
    padding: 4px 12px;
    border-radius: 20px;
    margin-top: 12px;
}

/* Toast Notification */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 200;
}

.toast {
    padding: 12px 18px;
    border-radius: 8px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: toastIn 0.2s ease;
}

@keyframes toastIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.toast.success {
    border-left: 4px solid var(--brand-green);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

/* Channel Connection Manager Styles */
.platform-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
}
.platform-pill.telegram { background-color: rgba(34, 158, 217, 0.15); color: #229ED9; }
.platform-pill.vk { background-color: rgba(0, 119, 255, 0.15); color: #0077FF; }
.platform-pill.max { background-color: rgba(235, 87, 87, 0.15); color: #EB5757; }
.platform-pill.avito { background-color: rgba(16, 185, 129, 0.15); color: #10B981; }

.platform-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}
.platform-tab-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-nested);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}
.platform-tab-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}
.platform-tab-btn.active {
    background-color: var(--brand-primary);
    color: #FFFFFF;
    border-color: var(--brand-primary);
}

.validation-box {
    border-radius: 8px;
    padding: 12px 14px;
    font-size: 12px;
    margin-top: 8px;
    display: none;
}
.validation-box.success {
    display: block;
    background-color: var(--soft-green);
    border: 1px solid var(--brand-green);
    color: var(--brand-green);
}
.validation-box.error {
    display: block;
    background-color: var(--soft-red);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.code-copy-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-nested);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 6px 10px;
    font-family: monospace;
    font-size: 11px;
    color: var(--text-secondary);
    word-break: break-all;
}
.code-copy-box button {
    margin-left: 8px;
    flex-shrink: 0;
}

/* ==========================================================================
   Auth Gate Views (Hard Auth Isolation)
   ========================================================================== */
.auth-view {
    display: none;
    width: 100%;
    min-height: 100vh;
}
.auth-view.active {
    display: flex;
}

/* Full-Screen Centered Auth Container */
.auth-fullscreen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 100vh;
    padding: 24px;
    background-color: var(--bg-app);
    position: relative;
}

.auth-topbar {
    position: absolute;
    top: 24px;
    right: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 36px 32px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.auth-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.auth-brand-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    background-color: var(--bg-nested);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    font-size: 26px;
    margin-bottom: 4px;
}

.auth-header h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.auth-header p {
    font-size: 13px;
    color: var(--text-secondary);
}

.password-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-group input {
    padding-right: 44px;
}

.btn-toggle-password {
    position: absolute;
    right: 10px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 16px;
    color: var(--text-secondary);
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s ease;
}

.btn-toggle-password:hover {
    color: var(--text-primary);
}

/* Spinner */
.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top-color: var(--brand-green);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.auth-checking-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    text-align: center;
}

.auth-checking-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Access Denied */
.forbidden-icon {
    font-size: 48px;
    margin-bottom: 4px;
}