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

:root {
    --primary: #009688;
    --primary-dark: #00796B;
    --gold: #FFD54F;
    --text: #ffffff;
    --muted: #d6d6d6;
    --glass: rgba(255, 255, 255, .12);
    --border: rgba(255, 255, 255, .18);
    --shadow: 0 20px 45px rgba(0, 0, 0, .45);

    /* Fond changeable en un seul endroit : remplace juste cette URL */
    --bg-image: url("https://sandee.com/_next/image?url=https%3A%2F%2Fcdn.sandee.com%2F65595_1650_1100.avif&w=3840&q=75");
}

html,
body {
    width: 100%;
    min-height: 100vh;
    font-family: "Inter", sans-serif;
    overflow-x: hidden;
}

/* Fond : une image plutôt qu'une vidéo, pilotée par la variable --bg-image */
body {
    background: var(--bg-image) center center/cover no-repeat fixed;
}

.video-overlay {
    position: fixed;
    inset: 0;
    background: linear-gradient(rgba(0, 0, 0, .35), rgba(0, 0, 0, .65));
    z-index: -2;
}

/* Layout centering */
.login-container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
}

/* Card */
.login-card {
    width: 100%;
    max-width: 430px;
    padding: 45px;
    border-radius: 30px;
    background: var(--glass);
    border: 1px solid var(--border);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    box-shadow: var(--shadow);
    animation: fade .8s ease;
}

/* Logo */
.logo {
    text-align: center;
    margin-bottom: 35px;
}

.logo-circle {
    width: 95px;
    height: 95px;
    margin: auto;
    border-radius: 50%;
    background: transparent;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 15px 35px rgba(0, 0, 0, .3);
    overflow: hidden;
}

.logo-circle img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
}

.logo h1 {
    margin-top: 20px;
    color: white;
    font-size: 34px;
    font-weight: 700;
}

.logo p {
    margin-top: 15px;
    color: var(--muted);
    line-height: 1.6;
    font-size: 15px;
}

/* Form */
.input-group {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(255, 255, 255, .12);
    border-radius: 15px;
    padding: 16px;
    margin-bottom: 18px;
    transition: .3s;
}

.input-group:hover {
    background: rgba(255, 255, 255, .18);
}

.input-group:focus-within {
    border: 1px solid var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 150, 136, .25);
}

.input-group i {
    color: white;
    font-size: 18px;
}

.input-group input {
    flex: 1;
    border: none;
    outline: none;
    background: none;
    color: white;
    font-size: 15px;
}

.input-group input::placeholder {
    color: #dddddd;
}

/* Options */
.options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    font-size: 14px;
    color: white;
}

.options label {
    display: flex;
    gap: 8px;
    align-items: center;
}

.options a {
    color: var(--gold);
    text-decoration: none;
}

/* Submit button */
button[type="submit"] {
    width: 100%;
    border: none;
    border-radius: 15px;
    padding: 16px;
    font-size: 16px;
    font-weight: 700;
    color: white;
    background: linear-gradient(135deg, #009688, #00796B);
    cursor: pointer;
    transition: .35s;
}

button[type="submit"]:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 150, 136, .45);
}

/* Separator */
.separator {
    display: flex;
    align-items: center;
    margin: 30px 0;
    color: white;
}

.separator::before,
.separator::after {
    content: "";
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, .25);
}

.separator span {
    margin: 0 15px;
}

/* Social buttons */
.social-buttons {
    display: flex;
    justify-content: center;
    gap: 18px;
}

.social {
    width: 55px;
    height: 55px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, .12);
    color: white;
    font-size: 20px;
    transition: .3s;
}

.social:hover {
    background: var(--primary);
    transform: translateY(-5px);
}

/* Register */
.register {
    margin-top: 30px;
    text-align: center;
    color: white;
}

.register a {
    color: var(--gold);
    text-decoration: none;
    font-weight: 700;
}

/* Error / success messages */
.error-message {
    margin-bottom: 18px;
    padding: 14px;
    border-radius: 12px;
    background: #ffdddd;
    color: #9b0000;
}

.success-message {
    margin-bottom: 18px;
    padding: 14px;
    border-radius: 12px;
    background: #ddffdd;
    color: #0a6b0a;
}

.success-message a {
    color: #0a6b0a;
    font-weight: 700;
    text-decoration: underline;
}

/* Animations */
@keyframes fade {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

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

/* ==========================================
   LANGUAGE TOGGLE
========================================== */

/* ==========================================
   LANGUAGE SWITCHER
========================================== */

.language-switcher {
    position: fixed;
    top: 25px;
    right: 25px;
    display: flex;
    gap: 4px;
    padding: 5px;
    background: rgba(255, 255, 255, .12);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 50px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, .25);
    z-index: 999;
}

.lang-pill {
    border: none;
    background: transparent;
    color: white;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 50px;
    cursor: pointer;
    transition: .25s;
}

.lang-pill:hover {
    background: rgba(255, 255, 255, .15);
}

/* Classe ajoutée automatiquement par i18n.js sur la langue active */
.lang-pill.is-active {
    background: var(--gold);
    color: #1b1b1b;
    box-shadow: 0 4px 12px rgba(255, 213, 79, .4);
}

@media(max-width:768px) {
    .language-switcher {
        top: 15px;
        right: 15px;
    }
}

.lang-btn:hover {
    background: rgba(255, 255, 255, .15);
}

/* Effet visuel de l'onglet actif */
.lang-btn.active {
    background: var(--gold);
    color: #1b1b1b;
    box-shadow: 0 4px 12px rgba(255, 213, 79, .4);
}

/* Tablet */
@media(max-width:900px) {
    .login-card {
        max-width: 480px;
    }
}

/* Mobile */
@media(max-width:768px) {
    .login-container {
        padding: 20px;
    }

    .login-card {
        padding: 30px;
        border-radius: 22px;
    }

    .logo h1 {
        font-size: 28px;
    }

    .logo-circle {
        width: 75px;
        height: 75px;
    }

    .language-toggle {
        top: 15px;
        right: 15px;
    }
}

/* Small phones */
@media(max-width:480px) {
    .login-card {
        padding: 22px;
    }

    .options {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .social-buttons {
        gap: 12px;
    }

    .social {
        width: 48px;
        height: 48px;
    }

    .logo h1 {
        font-size: 24px;
    }

    .logo p {
        font-size: 14px;
    }
}