/* ===================================
   STYLES DE CONNEXION VOLONTAIRE - SVC-CI
   Design moderne et responsive
   =================================== */

/* Variables CSS - Thème sombre par défaut */
:root {
    --primary-color: #8b5cf6;
    --secondary-color: #6d28d9;
    --success-color: #68d391;
    --danger-color: #fc8181;
    --warning-color: #f6d55c;
    --info-color: #63b3ed;
    --light-color: #2d3748;
    --dark-color: #f7fafc;
    --border-color: #4a5568;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s ease;
    --border-radius: 20px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a202c, #2d3748);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    line-height: 1.6;
    color: var(--dark-color);
}

/* Container principal */
.login-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-card {
    background: #2d3748;
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 40px;
    animation: slideUp 0.6s ease-out;
    border: 1px solid var(--border-color);
    color: var(--dark-color);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* En-tête */
.login-header {
    text-align: center;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

.login-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 1%, transparent 1%);
    background-size: 20px 20px;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-10px) rotate(180deg);
    }
}

.login-header i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: block;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

.login-header h2 {
    color: var(--dark-color);
    font-weight: 700;
    margin-bottom: 10px;
    font-size: 1.75rem;
}

.login-header p {
    color: #cbd5e0;
    font-size: 0.95rem;
}

/* Alertes */
.alert {
    border-radius: 12px;
    border: none;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    animation: fadeIn 0.4s ease-out;
}

.alert-danger {
    background: linear-gradient(135deg, #ffeaea, #ffcdd2);
    color: #c53030;
    border-left: 4px solid var(--danger-color);
}

.alert i {
    font-size: 1.1rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Labels des champs */
.form-label {
    color: var(--dark-color);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
}

/* Groupes d'input */
.input-group {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.input-group:focus-within {
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.25);
    transform: translateY(-2px);
}

.input-group-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    color: white;
    padding: 0.75rem 1rem;
    min-width: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.input-group-text i {
    font-size: 1rem;
}

.form-control {
    border: 2px solid transparent;
    border-left: none;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--light-color);
    color: var(--dark-color);
}

.form-control:focus {
    border-color: transparent;
    box-shadow: none;
    background: var(--light-color);
    color: var(--dark-color);
}

.form-control::placeholder {
    color: #a0aec0;
}

/* Bouton toggle password */
.password-toggle {
    cursor: pointer;
    background: var(--light-color);
    border: 2px solid var(--border-color);
    border-left: none;
    transition: var(--transition);
    color: var(--dark-color);
}

.password-toggle:hover {
    background: #4a5568;
    color: var(--primary-color);
}

/* Checkbox remember me */
.form-check {
    margin: 1.5rem 0;
}

.form-check-input {
    width: 1.1em;
    height: 1.1em;
    margin-top: 0.15em;
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.25);
}

.form-check-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.25);
}

.form-check-label {
    color: var(--dark-color);
    font-size: 0.9rem;
    cursor: pointer;
    user-select: none;
}

/* Bouton de connexion */
.btn-login {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 10px;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-login:hover::before {
    left: 100%;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

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

.btn-login i {
    font-size: 1rem;
}

/* Divider */
.divider {
    text-align: center;
    margin: 25px 0;
    position: relative;
}

.divider::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 1px;
    background: var(--border-color);
}

.divider span {
    background: #2d3748;
    padding: 0 15px;
    position: relative;
    color: #cbd5e0;
    font-size: 0.9rem;
}

/* Lien d'inscription */
.register-link {
    text-align: center;
    margin-top: 20px;
}

.register-link p {
    color: #cbd5e0;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.register-link a {
    color: #63b3ed;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
}

.register-link a:hover {
    color: #90cdf4;
    transform: translateX(5px);
}

.register-link a i {
    transition: var(--transition);
    margin-right: 0.5rem;
}

.register-link a:hover i {
    transform: scale(1.2);
}

/* Lien de retour */
.text-center a {
    color: #cbd5e0;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
}

.text-center a:hover {
    color: #63b3ed;
    transform: translateX(-3px);
}

.text-center a i {
    transition: var(--transition);
    margin-right: 0.5rem;
}

.text-center a:hover i {
    transform: translateX(-3px);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

/* Tablettes */
@media (max-width: 768px) {
    .login-container {
        max-width: 400px;
        padding: 15px;
    }

    .login-card {
        padding: 30px 25px;
    }

    .login-header i {
        font-size: 3.5rem;
    }

    .login-header h2 {
        font-size: 1.5rem;
    }
}

/* Mobiles */
@media (max-width: 576px) {
    body {
        padding: 0.5rem;
    }

    .login-container {
        max-width: 100%;
        padding: 10px;
    }

    .login-card {
        padding: 25px 20px;
        border-radius: 15px;
    }

    .login-header {
        margin-bottom: 25px;
    }

    .login-header i {
        font-size: 3rem;
        margin-bottom: 12px;
    }

    .login-header h2 {
        font-size: 1.3rem;
    }

    .login-header p {
        font-size: 0.9rem;
    }

    .form-label {
        font-size: 0.9rem;
    }

    .form-control {
        font-size: 0.95rem;
        padding: 0.7rem 0.9rem;
    }

    .input-group-text,
    .password-toggle {
        padding: 0.7rem 0.9rem;
        min-width: 45px;
    }

    .btn-login {
        padding: 0.75rem 1.5rem;
        font-size: 0.95rem;
    }

    .divider span {
        font-size: 0.85rem;
        padding: 0 12px;
    }

    .register-link p {
        font-size: 0.85rem;
    }
}

/* Très petits mobiles */
@media (max-width: 375px) {
    .login-card {
        padding: 20px 15px;
    }

    .login-header i {
        font-size: 2.5rem;
    }

    .login-header h2 {
        font-size: 1.2rem;
    }

    .login-header p {
        font-size: 0.85rem;
    }

    .btn-login {
        padding: 0.7rem 1.25rem;
        font-size: 0.9rem;
    }
}

/* ===================================
   ACCESSIBILITÉ
   =================================== */

/* Focus visible */
.form-control:focus-visible,
.btn:focus-visible,
.form-check-input:focus-visible,
.password-toggle:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* Contraste amélioré - désactivé pour maintenir le style cohérent */

/* Réduction des animations */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .login-card {
        animation: none;
    }

    .btn-login::before {
        display: none;
    }

    .login-header::before {
        animation: none;
    }

    .login-header i {
        animation: none;
    }
}

/* Mode sombre automatique - désactivé pour maintenir le style cohérent */

/* ===================================
   ÉTATS DE CHARGEMENT
   =================================== */

.btn-login.loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn-login.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}