:root {
    --primary: #FFFFFF;
    --secondary: #FFC300;
    /* Turkcell Yellow */
    --accent: #00A8E8;
    /* Turkcell Blue */
    --background: #003F88;
    --card-bg: rgba(255, 255, 255, 0.1);
    --border: rgba(255, 255, 255, 0.3);
    --text-main: #F0F0F0;
    --text-dim: #D1D1D1;
    --success: #2ccf6d;
    --pending: #ffc107;
    --danger: #ff4757;
    --gradient: linear-gradient(135deg, #003F88 0%, #0060c0 100%);
    --btn-gradient: linear-gradient(135deg, #FFC300, #ff9f00);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background: linear-gradient(135deg, #003F88 0%, #0060c0 50%, #00A8E8 100%);
    background-attachment: fixed;
    color: var(--text-main);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Glass Header (Synchronized with main site) */
.glass-header {
    background: rgba(0, 20, 50, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

.container-nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: white;
    gap: 10px;
}

.logo-img {
    height: 40px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-text .highlight {
    color: var(--secondary);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

.main-nav a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    transition: color 0.3s;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--secondary);
}

.live-chat-btn {
    background-color: #25D366;
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.live-chat-btn:hover {
    background-color: #128C7E;
    transform: scale(1.05);
}

.live-chat-btn::before {
    content: '💬';
    font-size: 1.1rem;
}

/* Page Layout */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 40px 20px;
}

.page-header {
    text-align: center;
    margin-bottom: 50px;
}

.page-header .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 12px;
}

.page-header .logo i {
    font-size: 3rem;
    color: var(--secondary);
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
}

.page-header h1 span {
    color: var(--accent);
}

.subtitle {
    color: var(--text-dim);
    font-size: 1.15rem;
}

main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    align-items: start;
}

@media (min-width: 992px) {
    main {
        grid-template-columns: 360px 1fr;
    }
}

/* Glass Cards */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.sidebar-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.quote-header-card h3 {
    margin-bottom: 10px;
    color: var(--secondary);
}

.input-group {
    margin-bottom: 15px;
}

.input-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 5px;
}

.input-group input,
.input-group textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    color: white;
    outline: none;
    transition: all 0.3s;
}

.input-group input:focus,
.input-group textarea:focus {
    border-color: var(--secondary);
    background: rgba(0, 0, 0, 0.3);
}

.quote-btn {
    width: 100%;
    background: var(--btn-gradient);
    color: #000;
    border: none;
    padding: 15px;
    border-radius: 12px;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.2s;
}

.quote-btn:hover {
    transform: scale(1.02);
}

/* Search Card */
.search-card-horizontal {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 25px;
}

@media (min-width: 600px) {
    .search-card-horizontal {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.search-header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-header i {
    font-size: 1.4rem;
    color: var(--secondary);
}

.search-box {
    display: flex;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border);
    border-radius: 15px;
    overflow: hidden;
    flex: 1;
    max-width: 500px;
}

.search-box input {
    background: none;
    border: none;
    padding: 12px 15px;
    color: white;
    flex: 1;
    outline: none;
}

.search-box button {
    background: var(--btn-gradient);
    color: #000;
    border: none;
    padding: 0 25px;
    font-weight: 800;
    cursor: pointer;
}

/* Result Section */
.device-card {
    border-top: 4px solid var(--secondary);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
}

.status-badge {
    background: rgba(255, 195, 0, 0.15);
    color: var(--secondary);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
}

.tracking-id strong {
    color: white;
}

/* Status Timeline */
.status-timeline {
    display: flex;
    justify-content: space-between;
    margin: 40px 0;
    position: relative;
}

.status-timeline::before {
    content: '';
    position: absolute;
    top: 22px;
    left: 10%;
    right: 10%;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 0;
}

.timeline-step {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    width: 20%;
}

.step-icon {
    width: 45px;
    height: 45px;
    background: #1a2a4a;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #555;
    transition: all 0.3s;
}

.timeline-step.active .step-icon {
    border-color: var(--secondary);
    color: var(--secondary);
    box-shadow: 0 0 15px rgba(255, 195, 0, 0.3);
}

.timeline-step.completed .step-icon {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

/* Details Grid */
.details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    background: rgba(0, 0, 0, 0.15);
    padding: 20px;
    border-radius: 15px;
}

.detail-item label {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
}

.full-width {
    grid-column: span 2;
}

/* Price Box */
.price-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    margin-top: 20px;
}

.price-box strong {
    font-size: 1.5rem;
    color: var(--success);
}

/* Welcome & No Result */
.welcome-card {
    text-align: center;
    padding: 60px 20px;
}

.welcome-card i {
    font-size: 4rem;
    color: var(--secondary);
    opacity: 0.6;
    margin-bottom: 20px;
}

.error-msg {
    text-align: center;
    color: var(--danger);
    padding: 20px;
}

/* Mobile Responsiveness */
@media (max-width: 900px) {
    .container-nav {
        flex-wrap: wrap;
        gap: 15px;
        justify-content: space-between;
        padding: 0 15px;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .main-nav {
        width: 100%;
        order: 3;
    }

    .main-nav ul {
        justify-content: center;
        gap: 15px; /* Boşluğu biraz daha arttırdım */
        margin-top: 10px;
        flex-wrap: wrap; /* Satır kaydırma aktif kalsın */
    }

    .main-nav li a {
        font-size: 0.9rem;
    }


    .live-chat-btn {
        order: 2;
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}


@media (max-width: 991px) {
    main {
        display: flex;
        flex-direction: column;
    }

    .sidebar-section {
        order: 2;
    }

    .content-section {
        order: 1;
    }

    .container {
        padding: 20px 15px;
    }
}

@media (max-width: 600px) {
    .page-header h1 {
        font-size: 1.8rem;
    }

    .card-header {
        flex-direction: column;
        gap: 15px;
    }

    .status-timeline {
        flex-direction: column;
        gap: 20px;
    }

    .status-timeline::before {
        display: none;
    }

    .timeline-step {
        flex-direction: row;
        width: 100%;
        gap: 15px;
        align-items: center;
    }

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

    .full-width {
        grid-column: span 1;
    }
}

.hidden {
    display: none !important;
}