/* ==========================================
   URL Shortener - Styles
   ========================================== */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    color: #e0e0e0;
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2.5rem;
    background: linear-gradient(90deg, #00d2ff, #3a7bd5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: #888;
    font-size: 1rem;
}

/* Stats */
.stats {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.stat {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    text-align: center;
    min-width: 120px;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: #00d2ff;
}

.stat-label {
    font-size: 0.8rem;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Alerts */
.alert {
    border-radius: 12px;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.alert-error {
    background: rgba(255, 68, 68, 0.15);
    border: 1px solid rgba(255, 68, 68, 0.3);
    color: #ff6b6b;
}

.alert-success {
    background: rgba(0, 210, 255, 0.1);
    border: 1px solid rgba(0, 210, 255, 0.3);
    color: #00d2ff;
}

.result-box {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    word-break: break-all;
}

.result-label {
    font-weight: 600;
    color: #aaa;
}

.copy-btn {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: #e0e0e0;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    margin-left: 0.5rem;
    transition: all 0.2s;
}

.copy-btn:hover {
    background: rgba(255,255,255,0.2);
}

/* Form */
.shorten-form {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.shorten-form h3 {
    color: #ccc;
    margin: 1.5rem 0 1rem;
}

hr {
    border: none;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin: 1.5rem 0;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group .required { color: #ff6b6b; }
.form-group .optional { color: #888; font-weight: 400; font-size: 0.85rem; }

.form-group input[type="url"],
.form-group input[type="text"],
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 10px;
    color: #e0e0e0;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00d2ff;
    box-shadow: 0 0 0 3px rgba(0, 210, 255, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group small {
    display: block;
    color: #666;
    font-size: 0.8rem;
    margin-top: 0.3rem;
}

.btn-primary {
    display: inline-block;
    width: 100%;
    padding: 0.85rem 1.5rem;
    background: linear-gradient(90deg, #00d2ff, #3a7bd5);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 210, 255, 0.3);
}

/* API Info */
.api-info {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 2rem;
}

.api-info h3 {
    color: #ccc;
    margin-bottom: 0.75rem;
}

.api-info pre {
    background: rgba(0,0,0,0.4);
    border-radius: 8px;
    padding: 1rem;
    overflow-x: auto;
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.api-info code {
    color: #00d2ff;
}

/* Redirect Page */
.redirect-page {
    text-align: center;
    padding-top: 4rem;
}

.redirect-page h1 {
    margin-bottom: 0.5rem;
}

.redirect-subtitle {
    color: #888;
    margin-bottom: 2rem;
}

.og-preview {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 2rem;
    max-width: 500px;
    margin: 0 auto;
}

.og-image-wrapper {
    margin-bottom: 1.5rem;
}

.og-image {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.og-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.og-desc {
    color: #aaa;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.click-count {
    color: #666;
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
}

.redirect-page .btn-primary {
    max-width: 300px;
}

.redirect-footer {
    margin-top: 2rem;
    color: #444;
}

/* Responsive */
@media (max-width: 600px) {
    header h1 { font-size: 1.8rem; }
    .shorten-form { padding: 1.25rem; }
    .stats { flex-direction: column; align-items: center; }
    .stat { width: 100%; max-width: 200px; }
}