@import url('https://fonts.googleapis.com/css2?family=Tahoma&display=swap');

/* ═══════════════════════════════════════
   Windows XP Luna Theme - Design Tokens
   ═══════════════════════════════════════ */
:root {
    /* XP Luna Blue */
    --xp-blue: #0054E3;
    --xp-blue-dark: #003399;
    --xp-blue-light: #3a6ea5;
    --xp-title-start: #0054e3;
    --xp-title-end: #4990d6;
    --xp-title-inactive-start: #7a96df;
    --xp-title-inactive-end: #a5b6db;

    /* Classic XP Colors */
    --xp-bg: #3a6ea5;
    --xp-desktop: #3a6ea5;
    --xp-window-bg: #ece9d8;
    --xp-window-face: #ece9d8;
    --xp-silver: #d4d0c8;
    --xp-taskbar: linear-gradient(to bottom, #3168d5, #1941a5);
    --xp-start-green: #3c8a3f;

    /* Borders */
    --xp-border-light: #ffffff;
    --xp-border-dark: #808080;
    --xp-border-darker: #404040;
    --xp-border-highlight: #d4d0c8;

    /* Text */
    --text-primary: #000000;
    --text-secondary: #333333;
    --text-muted: #808080;
    --text-white: #ffffff;

    /* Status */
    --success: #008000;
    --danger: #cc0000;
    --warning: #ff8c00;
    --accent: #0054E3;
    --accent-hover: #003399;

    /* Misc */
    --radius: 3px;
    --radius-sm: 2px;
    --radius-lg: 8px;
    --shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 3px 3px 12px rgba(0, 0, 0, 0.4);
    --transition: all 0.15s ease;

    /* Theme-specific */
    --body-bg: linear-gradient(180deg, #245ddb 0%, #3a6ea5 30%, #6aaf4a 70%, #90c050 100%);
    --sidebar-bg: linear-gradient(180deg, #6b89d4 0%, #4464b0 20%, #3b5998 100%);
    --sidebar-border: #2d4780;
    --window-white: #ffffff;
    --table-alt: #f8f6f0;
    --table-hover: #e8e8e0;
    --table-border: #e8e4d8;
    --input-bg: #ffffff;
    --auth-card-bg: var(--xp-window-bg);
}

/* ═══════════════════════════════════════
   Dark XP Theme
   ═══════════════════════════════════════ */
[data-theme="dark"] {
    --xp-blue: #1a6fd4;
    --xp-blue-dark: #0a4fa0;
    --xp-blue-light: #2a5a8a;
    --xp-title-start: #1a3a6a;
    --xp-title-end: #2a5090;

    --xp-window-bg: #1e1e2e;
    --xp-window-face: #1e1e2e;
    --xp-silver: #2a2a3a;
    --xp-border-light: #404050;
    --xp-border-dark: #0a0a14;
    --xp-border-darker: #000000;

    --text-primary: #e0e0e8;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;

    --success: #40c040;
    --danger: #ff4444;
    --warning: #ffaa00;
    --accent: #4a90e0;
    --accent-hover: #60a0f0;

    --body-bg: linear-gradient(180deg, #0a0a1a 0%, #101020 50%, #0a0a14 100%);
    --sidebar-bg: linear-gradient(180deg, #1a2040 0%, #141830 20%, #101428 100%);
    --sidebar-border: #0a0a14;
    --window-white: #24243a;
    --table-alt: #202036;
    --table-hover: #2a2a44;
    --table-border: #303048;
    --input-bg: #18182a;
    --auth-card-bg: #1e1e2e;

    --shadow: 2px 2px 8px rgba(0, 0, 0, 0.6);
    --shadow-lg: 3px 3px 12px rgba(0, 0, 0, 0.7);
}

/* ═══════════════════════════════════════
   Reset & Base
   ═══════════════════════════════════════ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Tahoma', 'Segoe UI', Arial, sans-serif;
    background: var(--body-bg);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.4;
    font-size: 11px;
    overflow-x: hidden;
    background-attachment: fixed;
}

/* ═══════════════════════════════════════
   Auth Pages (Login/Register) — XP Dialog
   ═══════════════════════════════════════ */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-card {
    background: var(--xp-window-bg);
    border: 2px solid;
    border-color: var(--xp-border-light) var(--xp-border-darker) var(--xp-border-darker) var(--xp-border-light);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: 0;
    width: 100%;
    max-width: 380px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: xpOpen 0.2s ease;
}

.auth-card::before {
    content: '';
    display: block;
    height: 30px;
    background: linear-gradient(180deg, var(--xp-title-start), var(--xp-title-end));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    border-bottom: 1px solid #0040a0;
}

.auth-card .logo {
    text-align: center;
    margin: 16px 0 12px;
    padding: 0 32px;
}

.auth-card .logo h1 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.auth-card .logo p {
    color: var(--text-secondary);
    font-size: 11px;
    margin-top: 2px;
}

.auth-card h2 {
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 16px;
    text-align: center;
    padding: 0 32px;
}

.auth-card form,
.auth-card>.form-group,
.auth-card>div:not(.logo) {
    padding: 0 24px 16px;
}

/* ═══════════════════════════════════════
   Forms & Inputs — XP Style
   ═══════════════════════════════════════ */
.form-group {
    margin-bottom: 10px;
}

.form-group label {
    display: block;
    font-size: 11px;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 3px;
}

.form-input {
    width: 100%;
    padding: 4px 6px;
    background: var(--input-bg);
    border: 2px solid;
    border-color: var(--xp-border-dark) var(--xp-border-light) var(--xp-border-light) var(--xp-border-dark);
    border-radius: 0;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 11px;
    transition: var(--transition);
    outline: none;
    line-height: 1.4;
}

.form-input:focus {
    border-color: var(--xp-blue);
    box-shadow: none;
}

.form-input::placeholder {
    color: var(--text-muted);
}

select.form-input {
    appearance: auto;
    padding-right: 6px;
    cursor: pointer;
    background: var(--input-bg);
}

textarea.form-input {
    resize: vertical;
    min-height: 60px;
}

/* ═══════════════════════════════════════
   Buttons — XP Classic
   ═══════════════════════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 4px 16px;
    border: 2px solid;
    border-color: var(--xp-border-light) var(--xp-border-darker) var(--xp-border-darker) var(--xp-border-light);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 11px;
    font-weight: 400;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
    background: linear-gradient(180deg, #ffffff 0%, var(--xp-silver) 45%, #c0bab0 100%);
    color: var(--text-primary);
}

.btn:hover {
    background: linear-gradient(180deg, #ffffff 0%, #e0dcd0 45%, #d0ccc0 100%);
}

.btn:active {
    border-color: var(--xp-border-darker) var(--xp-border-light) var(--xp-border-light) var(--xp-border-darker);
    background: linear-gradient(180deg, #c0bab0 0%, var(--xp-silver) 100%);
}

.btn-primary {
    background: linear-gradient(180deg, #4da3ec 0%, #1a6fcf 45%, #1560b8 100%);
    color: white;
    border-color: #0a4a8a #0a4a8a #063364 #0a4a8a;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(180deg, #5fb4ff 0%, #2080e0 45%, #1870cc 100%);
}

.btn-success {
    background: linear-gradient(180deg, #60c060 0%, #308030 45%, #207020 100%);
    color: white;
    border-color: #206020 #206020 #104010 #206020;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
}

.btn-success:hover {
    background: linear-gradient(180deg, #70d070 0%, #409040 45%, #308030 100%);
}

.btn-danger {
    background: linear-gradient(180deg, #e06060 0%, #c03030 45%, #a02020 100%);
    color: white;
    border-color: #802020 #802020 #601010 #802020;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
}

.btn-danger:hover {
    background: linear-gradient(180deg, #f07070 0%, #d04040 45%, #b03030 100%);
}

.btn-ghost {
    background: linear-gradient(180deg, #ffffff 0%, var(--xp-silver) 45%, #c0bab0 100%);
    color: var(--text-secondary);
    border-color: var(--xp-border-light) var(--xp-border-darker) var(--xp-border-darker) var(--xp-border-light);
}

.btn-ghost:hover {
    background: linear-gradient(180deg, #ffffff 0%, #e0dcd0 45%, #d0ccc0 100%);
    color: var(--text-primary);
}

.btn-sm {
    padding: 2px 8px;
    font-size: 11px;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ═══════════════════════════════════════
   Layout - XP Explorer Style
   ═══════════════════════════════════════ */
.app-layout {
    display: flex;
    min-height: 100vh;
    /* Simulate XP Window */
    margin: 8px;
    border: 2px solid;
    border-color: var(--xp-border-light) var(--xp-border-darker) var(--xp-border-darker) var(--xp-border-light);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    min-height: calc(100vh - 16px);
}

/* Sidebar = XP Explorer left panel */
.sidebar {
    width: 220px;
    background: var(--sidebar-bg);
    border-right: 2px solid var(--sidebar-border);
    padding: 0;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: calc(100vh - 16px);
    overflow-y: auto;
    border-radius: var(--radius-lg) 0 0 0;
}

.sidebar .brand {
    font-size: 14px;
    font-weight: 700;
    color: #ffffff;
    padding: 8px 12px;
    background: linear-gradient(180deg, var(--xp-title-start), var(--xp-title-end));
    border-radius: var(--radius-lg) 0 0 0;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.4);
    border-bottom: 1px solid #0040a0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sidebar .brand span {
    font-size: 10px;
    font-weight: 400;
    color: #b0c8f0;
    display: block;
    margin-top: 1px;
}

.sidebar nav {
    padding: 8px 6px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: var(--radius);
    color: #ffffff;
    text-decoration: none;
    font-size: 11px;
    font-weight: 400;
    transition: var(--transition);
    margin-bottom: 2px;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

.nav-item.active {
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
    font-weight: 700;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-item .icon {
    font-size: 14px;
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    margin-top: auto;
    padding: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(0, 0, 0, 0.1);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px;
    color: #ffffff;
    font-size: 11px;
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(180deg, #80a0d0, #4060a0);
    border: 2px solid rgba(255, 255, 255, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 11px;
    color: white;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
}

.main-content {
    flex: 1;
    margin-left: 220px;
    padding: 16px;
    min-height: calc(100vh - 16px);
    background: var(--xp-window-bg);
}

/* ═══════════════════════════════════════
   Page Header
   ═══════════════════════════════════════ */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--xp-border-dark);
}

.page-header h1 {
    font-size: 16px;
    font-weight: 700;
    color: #003399;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 11px;
    margin-top: 2px;
}

/* ═══════════════════════════════════════
   Cards — XP Group Box Style
   ═══════════════════════════════════════ */
.card {
    background: var(--xp-window-bg);
    border: 2px solid;
    border-color: var(--xp-border-light) var(--xp-border-dark) var(--xp-border-dark) var(--xp-border-light);
    border-radius: var(--radius);
    padding: 12px;
    box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.card:hover {
    border-color: var(--xp-border-light) var(--xp-border-dark) var(--xp-border-dark) var(--xp-border-light);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--xp-border-dark);
}

.card-title {
    font-size: 12px;
    font-weight: 700;
    color: #003399;
}

/* ═══════════════════════════════════════
   Stats Grid — XP Info Boxes
   ═══════════════════════════════════════ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 8px;
    margin-bottom: 16px;
}

.stat-card {
    background: var(--window-white);
    border: 2px solid;
    border-color: var(--xp-border-dark) var(--xp-border-light) var(--xp-border-light) var(--xp-border-dark);
    border-radius: var(--radius);
    padding: 10px 12px;
    position: relative;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--xp-blue);
    border-radius: var(--radius) var(--radius) 0 0;
}

.stat-card.success::before {
    background: var(--success);
}

.stat-card.warning::before {
    background: var(--warning);
}

.stat-card.danger::before {
    background: var(--danger);
}

.stat-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
}

/* ═══════════════════════════════════════
   Account Cards — XP Panel Style
   ═══════════════════════════════════════ */
.accounts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 8px;
}

.account-card {
    background: var(--window-white);
    border: 2px solid;
    border-color: var(--xp-border-light) var(--xp-border-dark) var(--xp-border-dark) var(--xp-border-light);
    border-radius: var(--radius);
    padding: 10px;
    transition: var(--transition);
}

.account-card:hover {
    background: var(--table-hover);
}

.account-card.boosting {
    border-color: var(--success);
    background: #f0fff0;
}

.account-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.account-name {
    font-weight: 700;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
}

.status-dot.online {
    background: var(--success);
    box-shadow: 0 0 4px rgba(0, 128, 0, 0.5);
    animation: pulse 2s infinite;
}

.account-meta {
    display: flex;
    gap: 12px;
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.account-meta span {
    display: flex;
    align-items: center;
    gap: 3px;
}

.account-actions {
    display: flex;
    gap: 4px;
}

/* ═══════════════════════════════════════
   Tables — XP ListView Style
   ═══════════════════════════════════════ */
.table-container {
    overflow-x: auto;
    border: 2px solid;
    border-color: var(--xp-border-dark) var(--xp-border-light) var(--xp-border-light) var(--xp-border-dark);
    border-radius: var(--radius);
    background: var(--window-white);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    padding: 4px 10px;
    text-align: left;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-primary);
    background: linear-gradient(180deg, var(--window-white), var(--xp-silver));
    border-bottom: 1px solid var(--xp-border-dark);
    border-right: 1px solid var(--table-border);
    white-space: nowrap;
}

th:last-child {
    border-right: none;
}

td {
    padding: 4px 10px;
    font-size: 11px;
    border-bottom: 1px solid var(--table-border);
}

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

tr:hover td {
    background: var(--table-hover);
}

tr:nth-child(even) td {
    background: var(--table-alt);
}

tr:nth-child(even):hover td {
    background: var(--table-hover);
}

/* ═══════════════════════════════════════
   Badges — XP Tag Style
   ═══════════════════════════════════════ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 1px 6px;
    border-radius: var(--radius);
    font-size: 10px;
    font-weight: 700;
    border: 1px solid;
}

.badge-success {
    background: #c8ffc8;
    color: #006000;
    border-color: #008000;
}

.badge-danger {
    background: #ffc8c8;
    color: #800000;
    border-color: #cc0000;
}

.badge-warning {
    background: #fff0c0;
    color: #806000;
    border-color: #cc8800;
}

.badge-primary {
    background: #c8d8ff;
    color: #003399;
    border-color: #0054E3;
}

/* ═══════════════════════════════════════
   Modal — XP Dialog Box
   ═══════════════════════════════════════ */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

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

.modal {
    background: var(--xp-window-bg);
    border: 2px solid;
    border-color: var(--xp-border-light) var(--xp-border-darker) var(--xp-border-darker) var(--xp-border-light);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: 0;
    width: 100%;
    max-width: 440px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: xpOpen 0.15s ease;
}

.modal::before {
    content: '';
    display: block;
    height: 26px;
    background: linear-gradient(180deg, var(--xp-title-start), var(--xp-title-end));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    border-bottom: 1px solid #0040a0;
}

.modal h2 {
    font-size: 13px;
    font-weight: 700;
    margin: 12px 16px 10px;
    color: #003399;
}

.modal .form-group,
.modal>div,
.modal>p {
    padding-left: 16px;
    padding-right: 16px;
}

.modal-actions {
    display: flex;
    gap: 6px;
    justify-content: flex-end;
    padding: 10px 16px 14px;
    background: var(--xp-window-bg);
    border-top: 1px solid #c0bab0;
    margin-top: 10px;
}

/* ═══════════════════════════════════════
   Toast — XP Balloon Notifications
   ═══════════════════════════════════════ */
.toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.toast {
    padding: 8px 14px;
    border-radius: var(--radius);
    font-size: 11px;
    font-weight: 400;
    animation: slideIn 0.2s ease;
    min-width: 220px;
    border: 1px solid;
    box-shadow: var(--shadow);
}

.toast.success {
    background: #fffff0;
    color: #006000;
    border-color: #008000;
}

.toast.error {
    background: #fff0f0;
    color: #800000;
    border-color: #cc0000;
}

.toast.info {
    background: #f0f0ff;
    color: #003399;
    border-color: #0054E3;
}

/* ═══════════════════════════════════════
   Links
   ═══════════════════════════════════════ */
a {
    color: #0054E3;
    text-decoration: underline;
    transition: var(--transition);
}

a:hover {
    color: #003399;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-muted);
}

.mt-16 {
    margin-top: 12px;
}

.mt-24 {
    margin-top: 16px;
}

.mb-16 {
    margin-bottom: 12px;
}

/* ═══════════════════════════════════════
   Animations
   ═══════════════════════════════════════ */
@keyframes xpOpen {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid #c0bab0;
    border-top-color: var(--xp-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

/* ═══════════════════════════════════════
   Dark Theme Overrides
   ═══════════════════════════════════════ */
[data-theme="dark"] .btn {
    background: linear-gradient(180deg, #3a3a4e 0%, #2a2a3e 45%, #222236 100%);
    color: var(--text-primary);
    border-color: #404050 #101018 #101018 #404050;
}

[data-theme="dark"] .btn:hover {
    background: linear-gradient(180deg, #44445a 0%, #333348 45%, #2a2a40 100%);
}

[data-theme="dark"] .btn-ghost {
    background: linear-gradient(180deg, #3a3a4e 0%, #2a2a3e 45%, #222236 100%);
    color: var(--text-secondary);
    border-color: #404050 #101018 #101018 #404050;
}

[data-theme="dark"] .auth-card {
    background: var(--auth-card-bg);
}

[data-theme="dark"] .badge-success {
    background: rgba(64, 192, 64, 0.15);
    color: #40c040;
    border-color: #40c040;
}

[data-theme="dark"] .badge-danger {
    background: rgba(255, 68, 68, 0.15);
    color: #ff4444;
    border-color: #ff4444;
}

[data-theme="dark"] .badge-warning {
    background: rgba(255, 170, 0, 0.15);
    color: #ffaa00;
    border-color: #ffaa00;
}

[data-theme="dark"] .badge-primary {
    background: rgba(74, 144, 224, 0.15);
    color: #60a0f0;
    border-color: #4a90e0;
}

[data-theme="dark"] .toast.success {
    background: #1a2a1a;
    border-color: #40c040;
}

[data-theme="dark"] .toast.error {
    background: #2a1a1a;
    border-color: #ff4444;
}

[data-theme="dark"] .toast.info {
    background: #1a1a2a;
    border-color: #4a90e0;
}

[data-theme="dark"] .account-card.boosting {
    border-color: #40c040;
    background: rgba(64, 192, 64, 0.05);
}

/* Theme Toggle Button */
.theme-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 4px 8px;
    font-size: 11px;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    border-radius: var(--radius);
    transition: var(--transition);
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
    font-family: inherit;
    margin-top: 6px;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* ═══════════════════════════════════════
   Responsive
   ═══════════════════════════════════════ */
@media (max-width: 768px) {
    .sidebar {
        display: none;
    }

    .main-content {
        margin-left: 0;
    }

    .app-layout {
        margin: 0;
        border: none;
        border-radius: 0;
    }

    .auth-card {
        max-width: 100%;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .accounts-grid {
        grid-template-columns: 1fr;
    }
}