:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --input-bg: #f8fafc;
}

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

body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(rgba(15, 23, 42, 0.7), rgba(30, 27, 75, 0.7)), url('assets/bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--text-main);
    overflow: hidden;
}

.login-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    padding: 2rem;
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    z-index: 1;
    animation: fadeIn 0.8s ease-out;
}

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

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

.login-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #1e293b, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
}

.input-wrapper {
    position: relative;
}

input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    color: var(--text-main);
    font-size: 1rem;
    transition: all 0.3s ease;
}

input::placeholder {
    color: #94a3b8;
}

input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.submit-btn {
    width: 100%;
    padding: 0.75rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.submit-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.submit-btn:active {
    transform: translateY(0);
}

.footer-links {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-links a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.footer-links a:hover {
    text-decoration: underline;
}

.message {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 0.85rem;
    text-align: center;
    display: none;
    animation: fadeIn 0.3s ease-in;
}

.message.error {
    display: block;
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.message.success {
    display: block;
    background: rgba(34, 197, 94, 0.2);
    color: #86efac;
    border: 1px solid rgba(34, 197, 94, 0.3);
}
.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    opacity: 0.4;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--primary);
    top: -100px;
    right: -100px;
}

.shape-2 {
    width: 250px;
    height: 250px;
    background: #3b82f6;
    bottom: -80px;
    left: -80px;
}