:root {
    --bg-dark: #0a0f16;
    --card-bg: rgba(16, 25, 38, 0.6);
    --border-color: rgba(0, 255, 255, 0.15);
    --cyan-primary: #00e5ff;
    --cyan-glow: rgba(0, 229, 255, 0.4);
    --cyan-dark: #008ba3;
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --error-color: #ff4d4f;
    --success-color: #4ade80;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow-x: hidden;
}

/* Background Animation */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at 50% 50%, #0a0f16 0%, #05080b 100%);
}

.blob {
    position: absolute;
    filter: blur(80px);
    border-radius: 50%;
    opacity: 0.4;
    animation: float 20s infinite alternate;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--cyan-dark);
    top: -100px;
    left: -100px;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: #005f73;
    bottom: -50px;
    right: -50px;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(100px, 50px) scale(1.2); }
}

/* Container & Layout */
.container {
    width: 100%;
    max-width: 600px;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

header {
    text-align: center;
    animation: fadeInDown 0.8s ease-out;
}

.logo-icon {
    font-size: 3rem;
    margin-bottom: 10px;
    filter: drop-shadow(0 0 10px var(--cyan-glow));
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 5px;
}

.highlight {
    color: var(--cyan-primary);
    text-shadow: 0 0 20px var(--cyan-glow);
}

header p {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 300;
}

/* Card (Glassmorphism) */
.card, .info-card, .package-item {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.card:hover {
    border-color: rgba(0, 229, 255, 0.3);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4), 0 0 20px var(--cyan-glow);
}

/* Form Styles */
.input-group {
    position: relative;
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

input[type="tel"] {
    width: 100%;
    padding: 16px 20px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1.1rem;
    outline: none;
    transition: all 0.3s ease;
}

input[type="tel"]::placeholder {
    color: rgba(148, 163, 184, 0.4);
}

.focus-border {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--cyan-primary);
    transition: all 0.4s ease;
    transform: translateX(-50%);
    box-shadow: 0 0 10px var(--cyan-glow);
}

input[type="tel"]:focus ~ .focus-border {
    width: 100%;
}

input[type="tel"]:focus {
    background: rgba(0, 0, 0, 0.4);
    border-color: transparent;
}

input[type="tel"]:focus ~ label {
    color: var(--cyan-primary);
}

/* Button */
button {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--cyan-dark), var(--cyan-primary));
    color: #000;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 800;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 229, 255, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
}

button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 229, 255, 0.4);
}

button:hover::before {
    left: 100%;
}

button:active {
    transform: translateY(1px);
}

button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Loader */
.loader {
    display: none;
    width: 24px;
    height: 24px;
    border: 3px solid rgba(0, 0, 0, 0.2);
    border-top: 3px solid #000;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.btn-loading .btn-text {
    display: none;
}

.btn-loading .loader {
    display: block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Error Message */
.error-message {
    color: var(--error-color);
    margin-top: 15px;
    font-size: 0.9rem;
    text-align: center;
    min-height: 20px;
    animation: shake 0.5s ease-in-out;
    display: none;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
}

/* Result Section */
.hidden {
    display: none !important;
}

.result-container {
    animation: fadeIn 0.6s ease-out forwards;
}

.info-card h2, .package-list h2 {
    font-size: 1.3rem;
    color: var(--cyan-primary);
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.grid-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.info-item {
    background: rgba(0, 0, 0, 0.2);
    padding: 15px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.info-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    word-break: break-word;
}

/* Package List */
.package-list {
    margin-top: 30px;
}

.package-item {
    padding: 20px;
    margin-bottom: 15px;
    border-radius: 15px;
}

.package-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.package-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
}

.package-exp {
    font-size: 0.8rem;
    color: var(--error-color);
    background: rgba(255, 77, 79, 0.1);
    padding: 4px 8px;
    border-radius: 6px;
    white-space: nowrap;
    margin-left: 10px;
}

.quota-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.quota-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 0.9rem;
}

.quota-name {
    color: var(--text-secondary);
}

.quota-value {
    color: var(--success-color);
    font-weight: 600;
}

.quota-total {
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 0.8rem;
}

.no-package {
    text-align: center;
    color: var(--text-secondary);
    padding: 20px;
    font-style: italic;
}

/* Footer */
footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-top: 20px;
    animation: fadeIn 1s ease-out 0.5s both;
}

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

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Responsive */
@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    .card, .info-card, .package-item { padding: 20px; }
    .grid-info { grid-template-columns: 1fr; }
    .package-header { flex-direction: column; gap: 8px; }
    .package-exp { margin-left: 0; }
}