/* =============================================================================
   ClickClockGo Login - Feuille de styles
   ============================================================================= */

/* -----------------------------------------------------------------------------
   Variables CSS
   ----------------------------------------------------------------------------- */
:root {
    /* Couleurs principales */
    --primary-blue: #007BFF;
    --success-green: #2ECC71;
    --danger-red: #e74c3c;
    --warning-orange: #f39c12;
    
    /* Couleurs neutres */
    --bg-light: #F4F4F4;
    --bg-white: #FFFFFF;
    --text-dark: #1A1A1A;
    --text-gray: #707070;
    --border-light: #E0E0E0;
    
    /* Ombres */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
    
    /* Espacements */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Bordures */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* -----------------------------------------------------------------------------
   Reset et base
   ----------------------------------------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.5;
    background-color: var(--bg-light);
    color: var(--text-dark);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    
    /* Dégradé de fond subtil */
    background-image: linear-gradient(135deg, var(--bg-light) 0%, rgba(0,123,255,0.05) 100%);
}

/* -----------------------------------------------------------------------------
   Container de connexion
   ----------------------------------------------------------------------------- */
.login-container {
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-lg);
}

.login-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.98);
}

/* -----------------------------------------------------------------------------
   Logo
   ----------------------------------------------------------------------------- */
.logo {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.logo-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-md);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.logo-text {
    font-family: 'Poppins', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.subtitle {
    font-size: 0.875rem;
    color: var(--text-gray);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    background: var(--bg-white);
    color: var(--text-dark);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.form-input::placeholder {
    color: var(--text-gray);
}

/* -----------------------------------------------------------------------------
   Checkbox
   ----------------------------------------------------------------------------- */
.checkbox-group {
    margin-bottom: var(--spacing-lg);
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: var(--spacing-sm);
    cursor: pointer;
    accent-color: var(--primary-blue);
}

.checkbox-label span {
    font-size: 0.875rem;
    color: var(--text-dark);
}

/* -----------------------------------------------------------------------------
   Messages
   ----------------------------------------------------------------------------- */
.error-message,
.success-message {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
    text-align: center;
    animation: fadeIn var(--transition-normal);
}

.error-message {
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid var(--danger-red);
    color: var(--danger-red);
}

.success-message {
    background: rgba(46, 204, 113, 0.1);
    border: 1px solid var(--success-green);
    color: var(--success-green);
}

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

/* -----------------------------------------------------------------------------
   Boutons
   ----------------------------------------------------------------------------- */
.button {
    width: 100%;
    min-height: 48px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.button:active {
    transform: scale(0.98);
}

.button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

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

.button-primary:hover:not(:disabled) {
    background-color: #0056b3;
}

/* -----------------------------------------------------------------------------
   Liens du footer
   ----------------------------------------------------------------------------- */
.form-footer {
    text-align: center;
    font-size: 0.875rem;
}

.link {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.link:hover {
    color: #0056b3;
    text-decoration: underline;
}

.separator {
    color: var(--text-gray);
    margin: 0 var(--spacing-xs);
}

/* -----------------------------------------------------------------------------
   Loading
   ----------------------------------------------------------------------------- */
.loading {
    display: inline-block;
    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;
}

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

/* -----------------------------------------------------------------------------
   Responsive
   ----------------------------------------------------------------------------- */
@media (max-width: 480px) {
    .login-container {
        padding: var(--spacing-md);
    }
    
    .login-card {
        padding: var(--spacing-lg);
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
}

/* -----------------------------------------------------------------------------
   Accessibilité
   ----------------------------------------------------------------------------- */
:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Réduction des animations si demandé */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}