/**
 * Project Manager Pro - Login Stylesheet
 */

:root {
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-secondary: #8b5cf6;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-card: #1e293b;
    --bg-input: #334155;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --border-color: #334155;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
}

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

html {
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.login-container {
    width: 100%;
    max-width: 420px;
    animation: fadeIn 0.5s ease;
}

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

.login-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.logo {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.login-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Alerts */
.alert {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9rem;
}

.alert-error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Form */
.login-form {
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

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

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: var(--spacing-md);
    color: var(--text-muted);
    pointer-events: none;
}

.input-wrapper input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 48px;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-wrapper input::placeholder {
    color: var(--text-muted);
}

.toggle-password {
    position: absolute;
    right: var(--spacing-md);
    color: var(--text-muted);
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
}

.toggle-password:hover {
    color: var(--text-primary);
    background: var(--bg-input);
}

/* Login Button */
.btn-login {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
    border: none;
}

.btn-login:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

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

/* Login Info */
.login-info {
    padding: var(--spacing-md);
    background: var(--bg-darker);
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.login-info p {
    margin-bottom: var(--spacing-xs);
}

.login-info p:last-child {
    margin-bottom: 0;
}

.login-info code {
    background: var(--bg-input);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Consolas', monospace;
    color: var(--text-primary);
}

/* Footer */
.login-footer {
    margin-top: var(--spacing-xl);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.login-footer p {
    margin-bottom: var(--spacing-xs);
}

.security-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-success);
}

/* Countdown */
#countdown {
    font-weight: 600;
}

/* Responsive */
@media (max-width: 480px) {
    .login-card {
        padding: var(--spacing-lg);
    }
    
    .login-header h1 {
        font-size: 1.25rem;
    }
}

/* Animation for shake on error */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.5s ease;
}