/**
 * NarodMon Dashboard - Styles
 */

:root {
    --color-primary: #3B82F6;
    --color-primary-dark: #2563EB;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --bg-primary: #F5F7FA;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F0F4F8;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --text-tertiary: #9CA3AF;
    --border-color: #E5E7EB;
    --border-radius: 10px;
    --border-radius-lg: 14px;
    --shadow-sm: 0 1px 3px rgba(59,130,246,0.06);
    --shadow-lg: 0 8px 24px rgba(59,130,246,0.12);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

[data-theme="dark"] {
    --color-primary: #60A5FA;
    --color-primary-dark: #3B82F6;
    --color-success: #34D399;
    --color-danger: #F87171;
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-tertiary: #334155;
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-tertiary: #64748B;
    --border-color: #334155;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
}

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

html, body {
    overflow-x: hidden;
}
body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 15px;
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* ===== NAVBAR ===== */
.navbar {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #F3F4F6;
    padding: 10px 0;
}
[data-theme="dark"] .navbar {
    background: rgba(15,23,42,0.92);
    border-bottom-color: rgba(255,255,255,0.05);
}

.navbar-inner {
    display: flex; align-items: center; justify-content: space-between;
    max-width: 1200px; margin: 0 auto; padding: 0 16px;
}

.navbar-brand {
    font-size: 23px; font-weight: 800; color: var(--color-primary);
    letter-spacing: -0.5px; text-decoration: none;
}

.navbar-nav { display: flex; gap: 4px; list-style: none; align-items: center; }

.nav-link {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 8px 10px; color: var(--text-secondary); border-radius: 8px;
    font-size: 14px; font-weight: 500; cursor: pointer;
    background: none; border: none; transition: all 0.15s ease;
}
.nav-link:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.nav-icon { width: 20px; height: 20px; }
.user-name { font-size: 14px; color: var(--text-secondary); padding: 8px 10px; display: flex; align-items: center; gap: 4px; }
.divider-v { width: 1px; height: 20px; background: var(--border-color); margin: 0 4px; }
.vip-icon { color: #F59E0B; }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 6px; padding: 10px 18px; border: none; border-radius: var(--border-radius);
    font-size: 14px; font-weight: 500; cursor: pointer; transition: all 0.15s ease;
}
.btn-primary {
    background: var(--color-primary); color: white;
    box-shadow: 0 2px 8px rgba(59,130,246,0.25);
}
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-1px); }
.btn-primary:active { transform: scale(0.97); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.btn-full { width: 100%; }
.btn-ghost {
    background: transparent; color: var(--text-secondary); padding: 6px 8px;
    border: none; cursor: pointer; border-radius: 8px; transition: all 0.15s ease;
}
.btn-ghost:hover { background: var(--bg-tertiary); color: var(--text-primary); }

/* ===== LOGIN ===== */
.login-wrapper {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 20px; gap: 16px;
    overflow: auto;
}
.login-card {
    background: var(--bg-secondary); border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg); padding: 32px; width: 100%; max-width: 400px;
}
.info-card {
    background: var(--bg-secondary); border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg); padding: 28px 32px; width: 100%; max-width: 400px;
}
.info-card p {
    font-size: 14px; color: var(--text-secondary); line-height: 1.5;
    margin-bottom: 12px; text-align: center;
}
.info-card a {
    color: var(--color-primary); text-decoration: none;
}
.info-card a:hover {
    text-decoration: underline;
}
.info-list {
    list-style: none; padding: 0; margin: 0;
}
.info-list li {
    font-size: 13px; color: var(--text-secondary); padding: 6px 0;
    padding-left: 20px; position: relative;
}
.info-list li::before {
    content: '';
    position: absolute; left: 0; top: 12px;
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--color-primary); opacity: 0.6;
}
.login-title { font-size: 20px; font-weight: 700; margin-bottom: 8px; text-align: center; }
.login-subtitle { font-size: 14px; color: var(--text-secondary); margin-bottom: 24px; text-align: center; }

.form-group { margin-bottom: 16px; }
.form-label {
    display: block; font-size: 13px; font-weight: 500;
    color: var(--text-secondary); margin-bottom: 6px;
}
.form-input {
    width: 100%; padding: 10px 14px; border: 1px solid var(--border-color);
    border-radius: var(--border-radius); font-size: 14px;
    background: var(--bg-primary); color: var(--text-primary);
    transition: border-color 0.15s ease;
}
.form-input:focus {
    outline: none; border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}
.form-error {
    font-size: 13px; color: var(--color-danger);
    margin: 8px 0 16px; text-align: center; display: none;
}
.form-error.visible { display: block; }

/* ===== DASHBOARD ===== */
.wait-banner {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 10px 16px;
    margin-top: 20px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--text-secondary);
    text-align: center;
    display: none;
}

.page-header {
    display: flex; align-items: flex-start; justify-content: space-between;
    margin: 20px 0; gap: 12px;
}
h1 { font-size: 24px; font-weight: 700; margin-bottom: 4px; }
.subtitle { font-size: 14px; color: var(--text-secondary); }

/* ===== DEVICE CARDS ===== */
#devicesContainer {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.card-device {
    background: var(--bg-secondary); border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm); padding: 20px; animation: fadeInUp 0.25s ease;
    display: flex; flex-direction: column;
    cursor: grab;
    margin: 0;
}
.card-device:active { cursor: grabbing; }
.card-device[draggable="true"]:hover {
    box-shadow: 0 4px 12px rgba(59,130,246,0.15);
}
.card-device.inactive {
    opacity: 0.5;
}

.card-device.dragging {
    box-shadow: 0 0 20px rgba(59,130,246,0.3);
    transform: scale(1.02);
    z-index: 10;
    opacity: 0.8;
}

.reading-item.dragging {
    box-shadow: 0 0 10px rgba(59,130,246,0.3);
    transform: scale(1.01);
    z-index: 10;
    opacity: 0.8;
}

.card-device.drop-target {
    border: 2px dashed var(--color-primary);
    border-radius: var(--border-radius-lg);
}

.reading-item.drop-target {
    border: 2px dashed var(--color-primary);
    border-radius: 8px;
}

.device-header {
    display: flex; align-items: flex-start; justify-content: space-between;
    margin-bottom: 14px;
}
.device-name {
    font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 8px;
}

.device-readings {
    display: flex; flex-direction: column;
    gap: 8px; margin-bottom: 12px;
}
.reading-item {
    background: var(--bg-tertiary); border-radius: 8px;
    padding: 10px 12px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 8px;
    cursor: grab;
}
.reading-item:active { cursor: grabbing; }
.reading-item[draggable="true"]:hover {
    background: var(--border-color);
}
.reading-item.inactive {
    opacity: 0.5;
}
.reading-chart-btn {
    flex-shrink: 0;
    padding: 4px;
    color: var(--text-tertiary);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.reading-chart-btn:hover {
    color: var(--color-primary);
}

/* ===== TOGGLE ===== */
.reading-toggle {
    display: flex;
    align-items: center;
}
.toggle-track {
    width: 36px;
    height: 20px;
    border-radius: 10px;
    position: relative;
    transition: background-color 0.2s ease;
}
.toggle-track.off {
    background: var(--text-tertiary);
}
.toggle-track.on {
    background: var(--color-success);
}
.toggle-thumb {
    position: absolute;
    top: 2px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: white;
    transition: left 0.2s ease;
}
.toggle-track.off .toggle-thumb {
    left: 2px;
}
.toggle-track.on .toggle-thumb {
    left: 18px;
}

.reading-actions-horizontal {
    display: flex;
    align-items: center;
    gap: 8px;
}
.reading-label { font-size: 14px; color: var(--text-secondary); margin-bottom: 2px; }
.reading-value { font-size: 16px; font-weight: 600; color: var(--text-primary); }
.reading-value-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
}
.reading-value-toggle .reading-value {
    min-width: 36px;
    text-align: center;
}

.device-footer {
    margin-top: auto; display: flex; align-items: center;
    justify-content: space-between;
}
.device-time { font-size: 12px; color: var(--text-tertiary); }

/* ===== STATES ===== */
.last-update {
    display: flex; align-items: center; gap: 6px;
    font-size: 12px; color: var(--text-secondary);
    white-space: nowrap;
}
.last-update .dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--color-success);
}

.empty-state {
    text-align: center; padding: 48px 24px; color: var(--text-secondary);
    grid-column: 1 / -1;
}
.empty-state svg { width: 64px; height: 64px; margin-bottom: 16px; color: var(--text-tertiary); }

.loading {
    display: flex; align-items: center; justify-content: center; padding: 48px;
    grid-column: 1 / -1;
}
.spinner {
    width: 32px; height: 32px; border: 3px solid var(--border-color);
    border-top-color: var(--color-primary); border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ===== FOOTER ===== */
.footer {
    margin-top: 32px; padding: 20px 0; text-align: center;
    font-size: 12px; color: var(--text-tertiary);
    border-top: 1px solid #F3F4F6;
}
[data-theme="dark"] .footer {
    border-top-color: rgba(255,255,255,0.05);
}
.footer a { color: var(--color-primary); text-decoration: none; }

/* ===== THEME TOGGLE ===== */
.theme-toggle {
    background: none; border: none; cursor: pointer; padding: 8px;
    border-radius: 8px; color: var(--text-secondary);
    display: flex; align-items: center; justify-content: center;
}
.theme-toggle svg { width: 18px; height: 18px; }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== HTML5 Dialog ===== */
.modal-dialog {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
    width: 95%;
    max-width: 900px;
    max-height: 90vh;
    background: var(--bg-secondary);
    padding: 0;
    overflow: hidden;
    margin: auto;
}

.modal-dialog::backdrop {
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.modal-dialog[open] {
    display: block;
}

.modal-dialog:not([open]) {
    display: none;
}

.modal-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    max-height: 90vh;
    overflow: hidden;
}

.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px; border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    background: var(--bg-secondary);
}

.modal-title { font-size: 16px; font-weight: 600; }

.modal-close {
    font-size: 24px; line-height: 1; padding: 4px 8px;
    background: none; border: none; cursor: pointer;
    color: var(--text-secondary); border-radius: 6px;
}

.modal-close:hover { color: var(--text-primary); background: var(--bg-tertiary); }

.modal-body {
    padding: 20px;
    overflow-y: auto;
    overflow-x: hidden;
    flex-grow: 1;
    background: var(--bg-secondary);
}

/* ===== Chart Controls ===== */
.chart-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 8px;
}

.chart-period-buttons {
    display: flex;
    gap: 4px;
}

.chart-period-btn {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.chart-period-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.chart-period-btn.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.chart-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
    color: var(--text-secondary);
    font-size: 14px;
    gap: 12px;
}

.chart-loading .spinner {
    width: 24px;
    height: 24px;
    border-width: 2px;
}

#modalChartInner {
    width: 100%;
}

/* ===== ApexCharts Dark Theme ===== */
[data-theme="dark"] .apexcharts-toolbar {
    filter: none;
}

[data-theme="dark"] .apexcharts-menu {
    background: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .apexcharts-menu-item:hover {
    background: var(--bg-tertiary) !important;
}

[data-theme="dark"] .apexcharts-tooltip {
    background: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .apexcharts-tooltip-title {
    background: var(--bg-tertiary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .apexcharts-xaxistooltip,
[data-theme="dark"] .apexcharts-yaxistooltip {
    background: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .apexcharts-selection-rect {
    fill: rgba(96, 165, 250, 0.15) !important;
    stroke: #60A5FA !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .login-wrapper { flex-direction: column; }
}
@media (max-width: 768px) {
    .page-header { flex-direction: column; }
    .user-name { display: none; }
    .divider-v { display: none; }
}
@media (max-width: 576px) {
    .container { padding: 0 12px; }
    .card-device { padding: 16px; }
    h1 { font-size: 20px; }
    .login-card { padding: 24px; }
    .login-title { font-size: 18px; }
    .login-subtitle { font-size: 13px; }
    .form-input { font-size: 16px; }
}
@media (max-width: 375px) {
    .login-wrapper { padding: 16px; }
    .login-card { padding: 20px; }
    .login-title { font-size: 17px; }
    .login-subtitle { font-size: 12px; margin-bottom: 16px; }
}