/* ============================================
   MG5 Ladestatus - Modern Dark Theme
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: #15151f;

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

    --accent-color: #00d4aa;
    --accent-glow: rgba(0, 212, 170, 0.3);
    --accent-gradient: linear-gradient(135deg, #00d4aa 0%, #00a884 100%);

    --danger-color: #ff4757;
    --warning-color: #ffa502;
    --success-color: #2ed573;

    /* Battery Colors */
    --battery-red: linear-gradient(180deg, #ff4757 0%, #ff6b7a 100%);
    --battery-orange: linear-gradient(180deg, #ff9f43 0%, #ffc048 100%);
    --battery-yellow: linear-gradient(180deg, #ffc048 0%, #e8e855 100%);
    --battery-green: linear-gradient(180deg, #2ed573 0%, #7bed9f 100%);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Shadows */
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px var(--accent-glow);
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* App Container */
.app {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 600px;
    margin: 0 auto;
}

.header__title {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
}

.header__title i {
    color: var(--accent-color);
    font-size: 1.3rem;
}

.header__settings,
.header__back,
.header__logout {
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.header__settings:hover,
.header__back:hover,
.header__logout:hover {
    background: var(--accent-color);
    color: var(--bg-primary);
}

.header__settings i,
.header__back i,
.header__logout i {
    font-size: 1.3rem;
}

/* Main Content */
.main {
    flex: 1;
    padding: var(--spacing-lg);
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.card__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card__header i {
    font-size: 1.1rem;
    color: var(--accent-color);
}

/* Battery Card */
.battery-card {
    position: relative;
    overflow: hidden;
}

.battery-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    opacity: 0.3;
    pointer-events: none;
}

.battery-display {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

/* Battery Visual */
.battery-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.battery-body {
    width: 80px;
    height: 160px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.battery-cap {
    width: 30px;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px 4px 0 0;
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-bottom: none;
}

.battery-level {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0%;
    background: var(--battery-green);
    transition: height 0.5s ease, background 0.5s ease;
    border-radius: 0 0 12px 12px;
}

.battery-level::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 10px;
    background: linear-gradient(180deg, rgba(255,255,255,0.3) 0%, transparent 100%);
    border-radius: 50%;
}

.battery-liquid {
    position: absolute;
    top: -5px;
    left: 5px;
    right: 5px;
    height: 10px;
    background: inherit;
    border-radius: 50%;
    filter: brightness(1.1);
}

/* Battery Level Colors */
.battery-level.level-critical {
    background: var(--battery-red);
}

.battery-level.level-low {
    background: var(--battery-orange);
}

.battery-level.level-medium {
    background: var(--battery-yellow);
}

.battery-level.level-high {
    background: var(--battery-green);
}

.battery-percentage {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
}

/* Battery Info */
.battery-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.info-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.info-label i {
    font-size: 0.9rem;
}

.info-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Battery Status */
.battery-status {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

.battery-status i {
    font-size: 1.2rem;
}

.battery-status.charging {
    color: var(--success-color);
}

.battery-status.charging i {
    animation: pulse 1.5s ease-in-out infinite;
}

.battery-status.low {
    color: var(--danger-color);
}

.battery-status.low i {
    animation: blink 1s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Stats Card */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    transition: transform 0.2s ease;
}

.stat-item.full-width {
    grid-column: 1 / -1;
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon i {
    font-size: 1.2rem;
}

.stat-icon.sun {
    background: linear-gradient(135deg, #ffd93d 0%, #ff9f43 100%);
    color: #000;
}

.stat-icon.grid {
    background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
    color: #fff;
}

.stat-icon.home {
    background: linear-gradient(135deg, #a29bfe 0%, #6c5ce7 100%);
    color: #fff;
}

.stat-icon.export {
    background: linear-gradient(135deg, #55efc4 0%, #00b894 100%);
    color: #000;
}

.stat-icon.charging {
    background: linear-gradient(135deg, #fd79a8 0%, #e84393 100%);
    color: #fff;
}

.stat-icon.car {
    background: linear-gradient(135deg, #81ecec 0%, #00cec9 100%);
    color: #000;
}

.stat-icon.energy {
    background: var(--accent-gradient);
    color: #000;
}

.stat-content {
    flex: 1;
    min-width: 0;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.stat-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Settings Card */
.settings-card {
    position: relative;
}

.current-value {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.current-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.current-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-color);
}

/* SOC Buttons */
.soc-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.soc-btn {
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    color: var(--text-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.soc-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-color);
}

.soc-btn:active {
    transform: scale(0.95);
}

.soc-btn.active {
    background: var(--accent-color);
    color: var(--bg-primary);
    border-color: var(--accent-color);
}

/* Slider */
.slider-container {
    margin-bottom: var(--spacing-lg);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--bg-tertiary);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
    border: 3px solid var(--bg-card);
    box-shadow: 0 2px 10px rgba(0, 212, 170, 0.4);
    transition: transform 0.2s ease;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
    border: 3px solid var(--bg-card);
    box-shadow: 0 2px 10px rgba(0, 212, 170, 0.4);
}

.slider-value {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-top: var(--spacing-sm);
}

/* Setting Feedback */
.setting-feedback {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    text-align: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.setting-feedback.show {
    opacity: 1;
}

.setting-feedback.success {
    background: rgba(46, 213, 115, 0.1);
    color: var(--success-color);
}

.setting-feedback.error {
    background: rgba(255, 71, 87, 0.1);
    color: var(--danger-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--bg-primary);
}

.btn-primary:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-save {
    width: 100%;
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    width: 100%;
    max-width: 400px;
    transform: translateY(20px);
    transition: transform 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
}

.modal__title {
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.modal__title i {
    color: var(--accent-color);
}

.modal__close {
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.modal__close:hover {
    background: var(--danger-color);
    color: white;
}

.modal__close i {
    font-size: 1.2rem;
}

/* Form */
.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.input-wrapper {
    position: relative;
}

.input-wrapper i {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
}

.input-wrapper input {
    width: 100%;
    padding: var(--spacing-md);
    padding-left: 48px;
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--accent-color);
    background: var(--bg-secondary);
}

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

/* Checkbox */
.checkbox-group {
    flex-direction: row;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
}

.checkbox-label input {
    display: none;
}

.checkbox-custom {
    width: 22px;
    height: 22px;
    background: var(--bg-tertiary);
    border: 2px solid var(--text-muted);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.checkbox-custom::after {
    content: '\eb7b';
    font-family: 'remixicon';
    font-size: 14px;
    color: transparent;
    transition: color 0.2s ease;
}

.checkbox-label input:checked + .checkbox-custom {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.checkbox-label input:checked + .checkbox-custom::after {
    color: var(--bg-primary);
}

.checkbox-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Error Message */
.error-message {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    border-radius: var(--radius-md);
    color: var(--danger-color);
    font-size: 0.9rem;
}

.error-message i {
    font-size: 1.1rem;
}

/* Update Indicator */
.update-indicator {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 50;
}

.update-indicator.active {
    opacity: 1;
}

.update-indicator i {
    font-size: 1.2rem;
    color: var(--accent-color);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Media Queries */
@media screen and (max-width: 380px) {
    html {
        font-size: 14px;
    }

    .header__content {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .main {
        padding: var(--spacing-md);
    }

    .card {
        padding: var(--spacing-md);
    }

    .battery-display {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .battery-body {
        width: 100px;
        height: 180px;
    }

    .battery-info {
        flex-direction: row;
        gap: var(--spacing-xl);
    }

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

    .soc-buttons {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media screen and (min-width: 600px) {
    .main {
        padding: var(--spacing-xl);
    }

    .stat-item {
        padding: var(--spacing-lg);
    }

    .stat-value {
        font-size: 1.1rem;
    }
}

/* Safe Area for iOS */
@supports (padding-top: env(safe-area-inset-top)) {
    .header {
        padding-top: env(safe-area-inset-top);
    }

    .main {
        padding-bottom: calc(var(--spacing-lg) + env(safe-area-inset-bottom));
    }
}