/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --success: #10b981;
    --success-hover: #059669;
    --danger: #ef4444;
    --secondary: #6b7280;
    --secondary-hover: #4b5563;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --border: #475569;
    --shadow: rgba(0, 0, 0, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, #1e293b 100%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 900px;
    animation: fadeIn 0.5s ease;
}

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

/* Login Card */
.login-card {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 50px var(--shadow);
    max-width: 400px;
    margin: 0 auto;
    border: 1px solid var(--border);
}

.card-header {
    text-align: center;
    margin-bottom: 30px;
}

.card-header h1 {
    font-size: 28px;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--primary), var(--success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

input[type="password"] {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s ease;
}

input[type="password"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

input[type="password"]::placeholder {
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    width: 100%;
    padding: 14px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: var(--success-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(16, 185, 129, 0.3);
}

.btn-secondary {
    background: var(--secondary);
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background: var(--secondary-hover);
}

.btn-small {
    width: auto;
    padding: 8px 16px;
    font-size: 14px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-loader {
    display: none;
}

.btn-loader.active {
    display: inline;
}

.btn-text.hidden,
.btn-loader.hidden {
    display: none;
}

/* Dashboard */
.dashboard {
    animation: fadeIn 0.5s ease;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border);
}

.dashboard-header h1 {
    font-size: 32px;
    background: linear-gradient(135deg, var(--primary), var(--success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
}

.action-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 30px var(--shadow);
    transition: all 0.3s ease;
}

.action-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 40px var(--shadow);
    border-color: var(--primary);
}

.card-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.action-card h2 {
    font-size: 22px;
    margin-bottom: 12px;
}

.action-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
}

/* Info Box */
.info-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}

.info-box p {
    color: var(--text-secondary);
    font-size: 14px;
}

.info-box strong {
    color: var(--text-primary);
}

/* Messages */
.error-message,
.status-message {
    margin-top: 16px;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.5;
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: #fca5a5;
}

.status-message.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: #6ee7b7;
    animation: subtlePulse 2s ease-in-out infinite;
}

@keyframes subtlePulse {
    0%, 100% {
        opacity: 1;
        border-color: var(--success);
    }
    50% {
        opacity: 0.85;
        border-color: rgba(16, 185, 129, 0.7);
    }
}

.status-message.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: #fca5a5;
}

.status-message.info {
    background: rgba(79, 70, 229, 0.1);
    border: 1px solid var(--primary);
    color: #a5b4fc;
}

.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-header {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }
    
    .dashboard-header h1 {
        font-size: 24px;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .login-card {
        padding: 30px 24px;
    }
}

/* Animations */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.btn:disabled .btn-loader {
    animation: pulse 1.5s ease-in-out infinite;
}