:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-dark: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #22d3ee;
    --error: #ef4444;
    --success: #22c55e;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(at 0% 0%, hsla(253,16%,7%,1) 0, transparent 50%), 
        radial-gradient(at 50% 0%, hsla(225,39%,30%,1) 0, transparent 50%), 
        radial-gradient(at 100% 0%, hsla(339,49%,30%,1) 0, transparent 50%);
    min-height: 100vh;
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 900px;
    padding: 2rem;
    z-index: 1;
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.8s ease-out;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(to right, #fff, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    letter-spacing: -0.025em;
}

p.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.input-group {
    position: relative;
    margin-bottom: 2rem;
}

input[type="url"] {
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
}

input[type="url"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.button-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

button {
    flex: 1;
    padding: 1rem;
    border-radius: 12px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

button#extract-btn {
    background: var(--primary);
    color: white;
}

button#extract-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.4);
}

button#extract-btn:active {
    transform: translateY(0);
}

button#clear-btn {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    flex: 0.3;
}

button#clear-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
}

.results-section {
    display: none;
    margin-top: 2rem;
    border-top: 1px solid var(--glass-border);
    padding-top: 2rem;
    animation: slideUp 0.5s ease-out;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.results-count {
    font-weight: 600;
    color: var(--accent);
}

.results-list {
    background: rgba(15, 23, 42, 0.4);
    border-radius: 12px;
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--glass-border);
}

.result-item {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.2s;
}

.result-item:last-child {
    border-bottom: none;
}

.result-item:hover {
    background: rgba(255, 255, 255, 0.03);
}

.result-email {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    color: var(--text-main);
}

.copy-btn {
    padding: 0.5rem;
    background: transparent;
    color: var(--text-muted);
    border-radius: 6px;
    width: auto;
    flex: 0;
}

.copy-btn:hover {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.loader {
    display: none;
    text-align: center;
    margin: 2rem 0;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-left-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

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

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

/* Custom Scrollbar */
.results-list::-webkit-scrollbar {
    width: 8px;
}

.results-list::-webkit-scrollbar-track {
    background: transparent;
}

.results-list::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 4px;
}

.results-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

.actions-footer {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-muted);
}

.status-message {
    margin-top: 1rem;
    text-align: center;
    font-size: 0.9rem;
    padding: 0.75rem;
    border-radius: 8px;
    display: none;
}

.status-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
    display: block;
}

.status-success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.2);
    display: block;
}