:root {
    --bg: #09090b; /* Deep rich black */
    --glass-bg: rgba(24, 24, 27, 0.55);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.12);
    --primary: #FF2E93;
    --primary-glow: rgba(255, 46, 147, 0.5);
    --secondary: #00E4FF;
    --secondary-glow: rgba(0, 228, 255, 0.5);
    --text: #ffffff;
    --text-muted: #a1a1aa;
    --input-bg: rgba(0, 0, 0, 0.3);
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

body {
    font-family: 'Space Grotesk', 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    padding: 2rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ── Stunning Animated Background Orbs ── */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at 50% 50%, #111119 0%, #000000 100%);
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.6;
    animation: floatOrb 25s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.orb-pink {
    top: -10%;
    left: 10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--primary) 0%, transparent 60%);
    animation-delay: -2s;
}

.orb-blue {
    bottom: -15%;
    right: -5%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--secondary) 0%, transparent 65%);
    animation-delay: -7s;
}

.orb-yellow {
    top: 35%;
    left: 45%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, #7e22ce 0%, transparent 60%); /* Purple mix */
    animation: floatOrbReverse 30s infinite alternate cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.4;
}

@keyframes floatOrb {
    0% { transform: scale(0.8) translate(0, 0) rotate(0deg); }
    50% { transform: scale(1.1) translate(150px, 80px) rotate(180deg); opacity: 0.8; }
    100% { transform: scale(1.3) translate(-80px, 150px) rotate(360deg); }
}
@keyframes floatOrbReverse {
    0% { transform: scale(1.2) translate(0, 0); }
    100% { transform: scale(0.9) translate(-200px, -150px); }
}

/* ── Glassmorphism Core ── */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(30px) saturate(150%);
    -webkit-backdrop-filter: blur(30px) saturate(150%);
    border: 1px solid var(--glass-border);
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.1), 
        0 24px 48px -12px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.05); /* Top inner glow */
    border-radius: 28px;
    padding: 3.5rem;
    width: 100%;
    max-width: 900px;
    z-index: 10;
    animation: modalPop 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.95) translateY(20px); filter: blur(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); filter: blur(0); }
}

/* Typography Gradient */
.logo {
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: -1.5px;
    color: var(--text);
}

.logo span {
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(0, 228, 255, 0.2);
}

header {
    text-align: center;
    margin-bottom: 3.5rem;
    position: relative;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.15rem;
    margin-top: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.5px;
}

.prompt-text {
    text-align: center;
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 2.5rem;
    background: linear-gradient(to right, #fff, #a1a1aa);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* User Profile Header */
.user-profile {
    position: absolute;
    top: -1.5rem;
    right: 0;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 0.6rem 1.2rem;
    border-radius: 99px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    transition: background 0.3s, border-color 0.3s;
}

.user-profile:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
}

#logout-btn {
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
    font-size: 0.8rem;
}

#logout-btn:hover {
    color: #fff;
    text-shadow: 0 0 10px var(--primary-glow);
    transform: scale(1.1);
}

/* ── Role Cards (Bouncy & Interactive) ── */
.cards-wrapper {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.role-card {
    flex: 1;
    min-width: 250px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid var(--glass-border);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 10px 20px rgba(0, 0, 0, 0.2);
    border-radius: 24px;
    padding: 3rem 2rem;
    text-align: center;
    text-decoration: none;
    color: var(--text);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.role-card::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 50%; height: 100%;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.08), transparent);
    transform: skewX(-20deg);
    transition: 0.5s;
}

.role-card:hover {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
    transform: translateY(-8px) scale(1.02);
    border-color: var(--secondary);
    box-shadow: 0 20px 40px rgba(0, 228, 255, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.role-card:hover::before {
    left: 150%;
}

.icon {
    font-size: 4rem;
    margin-bottom: 1.2rem;
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.2));
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.role-card:hover .icon {
    transform: scale(1.15) rotate(5deg);
}

.role-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.role-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ── Forms and Inputs ── */
.form-layout {
    max-width: 750px;
    padding: 3rem;
}

.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 1.5rem;
}

.top-nav .logo {
    font-size: 1.8rem;
}

.back-link {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1rem;
    border-radius: 99px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.back-link:hover {
    background: rgba(255,255,255,0.1);
    color: var(--text);
    transform: translateX(-3px);
}

.form-header {
    margin-bottom: 2.5rem;
}
.form-header h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #fff, #94a3b8);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.form-group {
    margin-bottom: 1.75rem;
    position: relative;
}

.form-row {
    display: flex;
    gap: 1.75rem;
}
.flex-1 { flex: 1; }

label {
    display: block;
    margin-bottom: 0.6rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

input, textarea {
    width: 100%;
    padding: 1.1rem 1.25rem;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    color: var(--text);
    font-size: 1.05rem;
    font-family: inherit;
    outline: none;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
input::placeholder, textarea::placeholder {
    color: rgba(255,255,255,0.25);
}
input:read-only {
    opacity: 0.6;
    cursor: default;
}

input:focus:not(:read-only), textarea:focus:not(:read-only) {
    background: rgba(0, 0, 0, 0.4);
    border-color: var(--secondary);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3), 0 0 0 4px rgba(0, 228, 255, 0.15);
}

/* ── Primary Bouncy Glowing Button ── */
.primary-btn {
    width: 100%;
    padding: 1.15rem;
    border: none;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary) 0%, #b800e6 100%);
    color: white;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    margin-top: 1.5rem;
    box-shadow: 0 10px 20px -5px var(--primary-glow), inset 0 1px 1px rgba(255,255,255,0.4);
    position: relative;
    overflow: hidden;
}

.primary-btn::after {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 50%; height: 100%;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: skewX(-20deg);
}

.primary-btn:hover:not(:disabled) {
    transform: translateY(-4px) scale(1.01);
    box-shadow: 0 15px 30px -5px var(--primary-glow), inset 0 1px 1px rgba(255,255,255,0.5);
    background: linear-gradient(135deg, #ff4d9f 0%, #d100ff 100%);
}

.primary-btn:hover:not(:disabled)::after {
    left: 150%;
    transition: 0.6s ease-in-out;
}

.primary-btn:active:not(:disabled) {
    transform: translateY(2px) scale(0.98);
    box-shadow: 0 5px 10px -5px var(--primary-glow);
}

.primary-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    box-shadow: none;
    color: var(--text-muted);
}

/* Status Notifications */
.form-message {
    margin-top: 1.5rem;
    padding: 1.2rem;
    border-radius: 12px;
    text-align: center;
    font-size: 0.95rem;
    font-weight: 600;
    animation: slideUpFade 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes slideUpFade {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-message.success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.1);
}
.form-message.error {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.3);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.1);
}
.hidden { display: none !important; }

/* ── Result Cards & Lists ── */
.package-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.02), 0 4px 6px rgba(0,0,0,0.1);
}
.package-card:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.status-badge {
    font-size: 0.75rem;
    font-weight: 800;
    padding: 0.3rem 0.7rem;
    border-radius: 99px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.status-badge.valid { background: rgba(16,185,129,0.2); color: var(--success); }
.status-badge.invalid { background: rgba(239,68,68,0.2); color: var(--danger); }

/* Custom Badge Colors */
.sp { border-radius: 99px; padding: 0.25rem 0.75rem; font-size: 0.75rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.5px; }
.sp-pending  { background: rgba(245, 158, 11, 0.15); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.3); }
.sp-accepted { background: rgba(0, 228, 255, 0.15); color: var(--secondary); border: 1px solid rgba(0, 228, 255, 0.3); }
.sp-in-transit { background: rgba(168, 85, 247, 0.15); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.3); }
.sp-delivered{ background: rgba(16, 185, 129, 0.15); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.3); }

/* Track Hero Glow */
.track-hero h2 {
    font-size: 2rem;
    text-shadow: 0 0 20px rgba(255,255,255,0.2);
    margin-bottom: 0.5rem;
}

@media (max-width: 640px) {
    body { padding: 1.25rem; }
    header { margin-bottom: 2rem; }
    .user-profile { position: static; margin-bottom: 1rem; }
    .form-row { flex-direction: column; gap: 0; }
    .glass-panel { padding: 2rem; border-radius: 20px; }
    .cards-wrapper { gap: 1.25rem; }
}

/* ── Auth Tabs Elegance ── */
.auth-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2.5rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 16px;
    padding: 0.4rem;
    border: 1px solid rgba(255,255,255,0.05);
}

.auth-tab {
    flex: 1;
    padding: 0.75rem;
    border: none;
    border-radius: 12px;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.auth-tab.active {
    background: linear-gradient(135deg, var(--secondary) 0%, #0088cc 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 228, 255, 0.3);
}

/* Google Sign-in tweaks */
.google-btn {
    width: 100%;
    padding: 1rem;
    border-radius: 14px;
    border: 1px solid var(--glass-border);
    background: rgba(255,255,255,0.05);
    color: #fff;
    font-size: 1.05rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}
.google-btn:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Input Wrapper Icons */
.input-icon-wrap span {
    font-size: 1.2rem;
    opacity: 0.7;
    filter: drop-shadow(0 0 5px rgba(255,255,255,0.3));
}