:root {
    /* Luxurious Cyan Palette */
    --bg-dark: #0a0f16;
    --bg-card: rgba(16, 25, 36, 0.6);
    --text-primary: #e0f2fe;
    --text-secondary: #94a3b8;
    
    --cyan-primary: #00E5FF;
    --cyan-glow: rgba(0, 229, 255, 0.4);
    --cyan-dark: #00838F;
    --accent: #18ffff;
    
    --success: #00e676;
    --border: rgba(0, 229, 255, 0.15);
    
    /* Effects */
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glass-border: 1px solid rgba(0, 229, 255, 0.1);
    --blur: blur(12px);
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    overflow-x: hidden;
    position: relative;
    line-height: 1.6;
}

/* Background Effects */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 10s infinite ease-in-out alternate;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--cyan-dark) 0%, transparent 70%);
    top: -100px;
    left: -100px;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(24, 255, 255, 0.15) 0%, transparent 70%);
    bottom: 10%;
    right: -50px;
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, 50px) scale(1.1); }
}

/* Layout */
.container {
    width: 100%;
    max-width: 600px;
    padding: 2rem 1.5rem;
    z-index: 1;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 2.5rem;
    animation: fadeInDown 0.8s ease-out forwards;
}

.logo {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.logo i {
    color: var(--cyan-primary);
    filter: drop-shadow(0 0 10px var(--cyan-glow));
}

.logo span {
    color: var(--cyan-primary);
    position: relative;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 300;
}

/* Glass Panel Base */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    padding: 2rem;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.glass-panel::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan-primary), transparent);
    opacity: 0.5;
}

/* Form Section */
.track-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.input-group label i {
    color: var(--cyan-primary);
}

.select-wrapper {
    position: relative;
}

.select-icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--cyan-primary);
    pointer-events: none;
    transition: var(--transition);
}

input[type="text"], select {
    width: 100%;
    padding: 1rem 1.2rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
    appearance: none;
}

input[type="text"]:focus, select:focus {
    border-color: var(--cyan-primary);
    box-shadow: 0 0 15px var(--cyan-glow);
    background: rgba(0, 0, 0, 0.4);
}

select option {
    background: var(--bg-dark);
    color: var(--text-primary);
}

.btn-primary {
    background: linear-gradient(135deg, var(--cyan-dark), var(--cyan-primary));
    color: #000;
    border: none;
    padding: 1.2rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 800;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
    margin-top: 0.5rem;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: linear-gradient(to bottom right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0) 100%);
    transform: rotate(45deg);
    transition: all 0.5s;
    opacity: 0;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px var(--cyan-glow);
}

.btn-primary:hover::after {
    opacity: 1;
    transform: rotate(45deg) translate(50%, 50%);
}

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

/* Loader */
.loader {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0,0,0,0.3);
    border-top-color: #000;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.hidden { display: none !important; }

/* Result Section */
.summary-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.status-badge {
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 230, 118, 0.15);
    color: var(--success);
    border: 1px solid rgba(0, 230, 118, 0.3);
}

.courier-badge {
    background: rgba(0, 229, 255, 0.1);
    color: var(--cyan-primary);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    font-weight: 800;
    letter-spacing: 1px;
}

.summary-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
}

.detail-item .label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.detail-item .value {
    font-size: 1.1rem;
    color: var(--text-primary);
}

/* Timeline */
.timeline-title {
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--cyan-primary);
}

.timeline {
    position: relative;
    padding-left: 20px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    bottom: 5px;
    width: 2px;
    background: linear-gradient(to bottom, var(--cyan-primary), rgba(0, 229, 255, 0.1));
}

.timeline-item {
    position: relative;
    padding-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-icon {
    position: absolute;
    left: -29px; /* center on line */
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 2px solid var(--cyan-primary);
    box-shadow: 0 0 10px var(--cyan-glow);
    z-index: 1;
}

.timeline-item.active .timeline-icon {
    background: var(--cyan-primary);
    box-shadow: 0 0 15px var(--cyan-primary);
}

.timeline-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}

.timeline-desc {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.2rem;
}

.timeline-loc {
    font-size: 0.85rem;
    color: var(--cyan-primary);
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Error State */
.error-state {
    text-align: center;
    color: #ff5252;
    border-color: rgba(255, 82, 82, 0.3);
}

.error-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px rgba(255, 82, 82, 0.4));
}

/* Animations */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
    opacity: 0;
}

.delay-1 { animation-delay: 0.2s; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 480px) {
    .container { padding: 1rem; }
    .glass-panel { padding: 1.5rem; }
}

/* Author Badge */
.author-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(20, 24, 34, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 6px 16px;
    border-radius: 20px;
    margin-top: 1.2rem;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: #a0aab8;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.author-badge i {
    color: #8b5cf6; /* Elegant purple icon */
    font-size: 0.9rem;
}