/* register.css */
:root {
    --bg-color: #0f172a;
    --panel-bg: rgba(30, 41, 59, 0.7);
    --panel-border: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --input-bg: rgba(15, 23, 42, 0.6);
    --input-border: rgba(255, 255, 255, 0.15);
    --input-focus: #60a5fa;
    --error-color: #ef4444;
    --success-color: #10b981;
}

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

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

/* Background animated orbs for premium feel */
.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: 0;
    animation: float 20s infinite alternate;
}
.orb-1 {
    width: 400px;
    height: 400px;
    background: rgba(59, 130, 246, 0.2);
    top: -100px;
    left: -100px;
}
.orb-2 {
    width: 500px;
    height: 500px;
    background: rgba(139, 92, 246, 0.15);
    bottom: -150px;
    right: -100px;
    animation-delay: -5s;
}

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

.registration-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 480px;
    padding: 20px;
}

/* Glassmorphism Panel */
.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--panel-border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(20px);
}

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

.panel-header {
    text-align: center;
    margin-bottom: 30px;
}
.panel-header h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(to right, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.panel-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.registration-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: flex;
    gap: 15px;
}
.form-row .input-group {
    flex: 1;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.input-group input,
.input-group select {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 12px;
    padding: 14px 16px;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    transition: all 0.3s ease;
    outline: none;
}

.input-group input::placeholder {
    color: rgba(148, 163, 184, 0.5);
}

.input-group input:focus,
.input-group select:focus {
    border-color: var(--input-focus);
    box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.1);
    background: rgba(15, 23, 42, 0.8);
}

/* Custom styling for select to match dark theme */
.input-group select option {
    background: var(--bg-color);
    color: var(--text-primary);
}

.submit-btn {
    background: linear-gradient(135deg, var(--primary-color), #4f46e5);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 16px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 10px;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

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

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Alert Box */
.alert-box {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    animation: fadeIn 0.3s ease;
}
.alert-box.hidden {
    display: none;
}
.alert-box.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
}
.alert-box.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.panel-footer {
    text-align: center;
    margin-top: 25px;
    font-size: 14px;
    color: var(--text-secondary);
}
.panel-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}
.panel-footer a:hover {
    color: var(--input-focus);
    text-decoration: underline;
}

/* Simple CSS Loader */
.loader {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
    display: inline-block;
}
.loader.hidden {
    display: none;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

.hidden { display: none !important; }