/* ================================================================
   register.css — Tsitsi Store
   Utilise exclusivement les variables de globals.css
   ================================================================ */

.login-page {
    min-height: calc(100vh + 1.5rem);
    padding-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--bronze) 0%, var(--rust-brown) 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%23ffffff" opacity="0.05"/><circle cx="10" cy="50" r="0.5" fill="%23ffffff" opacity="0.05"/><circle cx="90" cy="30" r="0.5" fill="%23ffffff" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.login-container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem 1rem;
}

.login-card {
    background: var(--white-translucent);
    backdrop-filter: blur(20px);
    border: none;
    border-radius: 24px;
    box-shadow: 0 25px 50px var(--shadow-dark);
    overflow: hidden;
    max-width: 600px;
    width: 100%;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

.login-header {
    background: linear-gradient(135deg, var(--action-color) 0%, var(--dark-garnet) 100%);
    color: var(--text-light);
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
}

.login-header::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle, var(--white-subtle) 0%, transparent 70%);
    animation: pulse 3s ease-in-out infinite;
}

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

.login-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
    position: relative;
    z-index: 1;
}

.login-header p {
    margin: 0.5rem 0 0 0;
    opacity: 0.9;
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

.login-body {
    padding: 2.5rem 2rem;
}

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

.form-floating > label {
    padding: 1rem 1.25rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-floating > .form-control {
    padding: 1rem 1.25rem;
    border: 2px solid var(--neutral-border);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--neutral-light);
}

.form-floating > .form-control:focus {
    border-color: var(--action-color);
    box-shadow: 0 0 0 0.2rem var(--bronze-transparent);
    background: var(--pure-white);
}

.form-floating > .form-control:focus ~ label {
    color: var(--action-color);
}

.input-group-text {
    background: var(--neutral-light);
    border: 2px solid var(--neutral-border);
    border-right: none;
    color: var(--text-muted);
    border-radius: 12px 0 0 12px;
}

.form-control:focus + .input-group-text {
    border-color: var(--action-color);
    color: var(--action-color);
}

.btn-login {
    background: linear-gradient(135deg, var(--action-color) 0%, var(--dark-garnet) 100%);
    border: none;
    border-radius: 12px;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-light);
    width: 100%;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.btn-login:hover::before { left: 100%; }
.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-dark);
}

.login-footer {
    background: var(--neutral-light);
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--neutral-border);
}

.login-footer a {
    color: var(--action-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.login-footer a:hover {
    color: var(--action-hover);
    text-decoration: underline;
}

.divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--neutral-border);
}

.divider::before { margin-right: 1rem; }
.divider::after  { margin-left: 1rem; }

.social-login {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.btn-social {
    flex: 1;
    border: 2px solid var(--neutral-border);
    background: var(--pure-white);
    border-radius: 12px;
    padding: 0.75rem;
    transition: all 0.3s ease;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-weight: 500;
}

.btn-social:hover {
    border-color: var(--action-color);
    color: var(--action-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

.alert {
    border-radius: 12px;
    border: none;
    box-shadow: 0 4px 12px var(--shadow-medium);
}

.forgot-password {
    text-align: center;
    margin-top: 1rem;
}

.forgot-password a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.forgot-password a:hover {
    color: var(--action-color);
    font-weight: bold;
}

@media (max-width: 576px) {
    .login-card    { margin: 1rem; max-width: none; }
    .login-header  { padding: 2rem 1.5rem; }
    .login-body    { padding: 2rem 1.5rem; }
    .login-footer  { padding: 1.5rem; }
    .social-login  { flex-direction: column; }
}

/* Animation de chargement du bouton */
.btn-login.loading { position: relative; color: transparent; }

.btn-login.loading::after {
    content: '';
    position: absolute;
    width: 20px; height: 20px;
    top: 50%; left: 50%;
    margin-left: -10px; margin-top: -10px;
    border: 2px solid var(--white-subtle);
    border-radius: 50%;
    border-top-color: var(--pure-white);
    animation: spin 1s ease-in-out infinite;
}

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