:root {
    /* Dark Mode (Default) */
    --primary-color: #ff333d;
    --secondary-color: hsl(15, 80%, 55%);
    --bg-color: #0c0e14;
    --card-bg: rgba(22, 25, 35, 0.7);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --text-color: #f0f0f0;
    --text-muted: #a0a0a0;
    --border-color: rgba(255, 255, 255, 0.1);
    --input-bg: rgba(0, 0, 0, 0.2);
    --success: #00e676;
    --error: #ff5252;
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --nav-bg: rgba(22, 25, 35, 0.8);
}

[data-theme="light"] {
    --bg-color: #f0f2f5;
    --card-bg: #ffffff;
    --glass-bg: rgba(0, 0, 0, 0.04);
    --text-color: #1c1e21;
    --text-muted: #65676b;
    --border-color: rgba(0, 0, 0, 0.08);
    --input-bg: #f5f6f7;
    --nav-bg: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-color);
    background-image:
        radial-gradient(circle at 0% 0%, rgba(255, 51, 61, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 100% 100%, rgba(255, 99, 71, 0.1) 0%, transparent 40%),
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    color: var(--text-color);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 30px 20px;
}

/* Glass Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding: 15px 25px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.logo {
    max-width: 120px;
    transition: var(--transition);
}

.theme-toggle {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--text-color);
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--primary-color);
    color: #fff;
    transform: rotate(15deg) scale(1.1);
}

.logo:hover {
    transform: scale(1.05);
}

/* Floating Action Button - Back */
.fab-back {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient);
    color: #fff;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 10px 20px rgba(255, 51, 61, 0.3);
    z-index: 999;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.fab-back:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 15px 30px rgba(255, 51, 61, 0.5);
}

.fab-back i {
    font-size: 1.2rem;
}

/* Floating Action Button - Centers Access */
.fab-centers {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient);
    color: #fff;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 10px 20px rgba(255, 51, 61, 0.3);
    z-index: 999;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.fab-centers:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 15px 30px rgba(255, 51, 61, 0.5);
}

.fab-centers i {
    font-size: 1.2rem;
}

h1 {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-top: 15px;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Premium Card */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    padding: 35px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(255, 51, 61, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

/* Stylish Tabs */
.tabs {
    display: flex;
    background: var(--glass-bg);
    padding: 6px;
    border-radius: 18px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
}

.tab {
    flex: 1;
    padding: 14px 10px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    background: transparent;
    color: var(--text-muted);
}

.tab.active {
    background: var(--gradient);
    color: #ffffff;
    box-shadow: 0 10px 20px rgba(255, 51, 61, 0.3);
}

/* Form refinement */
.form-group {
    margin-bottom: 25px;
}

label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
    padding-left: 5px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
input[type="date"],
select {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px 20px;
    color: var(--text-color);
    font-size: 1rem;
    transition: var(--transition);
}

input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    opacity: 0.8;
    cursor: pointer;
}

[data-theme="light"] input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(0);
    opacity: 0.6;
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 20px rgba(255, 51, 61, 0.1);
}

/* Premium Upload Area */
.file-upload-wrapper {
    background: rgba(0, 0, 0, 0.2);
    border: 2px dashed var(--border-color);
    border-radius: 20px;
    padding: 40px 20px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.file-upload-wrapper:hover {
    border-color: var(--primary-color);
    background: rgba(255, 51, 61, 0.05);
}

.file-upload-wrapper i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    filter: drop-shadow(0 0 10px rgba(255, 51, 61, 0.4));
}

.file-upload-wrapper p {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 5px;
}

.file-upload-wrapper span {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
}

/* Glow Button */
.btn {
    width: 100%;
    padding: 18px;
    background: var(--gradient);
    border: none;
    border-radius: 18px;
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(255, 51, 61, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 40px rgba(255, 51, 61, 0.5);
}

.btn:active {
    transform: translateY(-1px);
}

/* Success/Error States */
.message {
    text-align: center;
}

.message i {
    font-size: 6rem;
    margin-bottom: 20px;
}

.success i {
    color: var(--success);
    filter: drop-shadow(0 0 20px rgba(0, 230, 118, 0.4));
}

.error i {
    color: var(--error);
    filter: drop-shadow(0 0 20px rgba(255, 82, 82, 0.4));
}

.coupon-code {
    background: rgba(255, 51, 61, 0.05);
    color: var(--primary-color);
    padding: 20px 40px;
    border-radius: 20px;
    font-size: 2.5rem;
    font-weight: 900;
    margin: 30px 0;
    border: 2px dashed var(--secondary-color);
    position: relative;
}

/* Dashboard refinements */
.dashboard-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px;
}

.nav-glass {
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 15px 25px;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ticket-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 25px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.ticket-card:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

/* Responsive Table */
.modern-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 12px;
}

.modern-table tr {
    background: var(--card-bg);
    transition: var(--transition);
}

.modern-table tr:hover {
    background: var(--glass-bg);
}

.modern-table td {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.modern-table td:first-child {
    border-left: 1px solid var(--border-color);
    border-radius: 20px 0 0 20px;
}

.modern-table td:last-child {
    border-right: 1px solid var(--border-color);
    border-radius: 0 20px 20px 0;
}

.modern-table th {
    color: var(--text-color);
    font-weight: 700;
    opacity: 0.8;
}

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

.status-pill {
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
}

.status-open {
    background: rgba(255, 193, 7, 0.1);
    color: #ffc107;
}

.status-closed {
    background: rgba(0, 230, 118, 0.1);
    color: #00e676;
}

.type-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 8px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.type-warranty {
    background: rgba(33, 150, 243, 0.1);
    color: #2196f3;
}

.type-out_of_warranty {
    background: rgba(255, 152, 0, 0.1);
    color: #ff9800;
}

@media (max-width: 768px) {
    .dashboard-container {
        padding: 15px;
    }

    .nav-glass {
        flex-direction: column;
        gap: 15px;
    }

    .desktop-only {
        display: none;
    }
}