/* Auth pages — palette LogiEcole */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

:root {
    --navy: #1B365D;
    --navy-deep: #12263f;
    --teal: #48C9B0;
    --teal-dark: #2a9d8f;
    --teal-deep: #004D4D;
    --mint: #A3E4D7;
    --mint-soft: #e8f8f5;
    --muted: #5a6a7a;
    --border: #d5e8e4;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --transition: 0.35s var(--ease);
    --shadow: 0 12px 32px -8px rgba(27, 54, 93, 0.12);
    --shadow-lg: 0 24px 48px -12px rgba(27, 54, 93, 0.2);
    --glow: 0 12px 32px rgba(72, 201, 176, 0.4);
}

* { box-sizing: border-box; }

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    color: var(--navy);
    background: #f4fbf9;
}

a { color: inherit; }

.auth-wrapper {
    display: flex;
    min-height: 100vh;
    background: #f8fcfb;
}

/* ── Visual panel ── */
.auth-visual {
    flex: 1.05;
    background: linear-gradient(145deg, var(--navy-deep) 0%, var(--navy) 48%, var(--teal-deep) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 48px 40px;
    color: #fff;
}

.auth-visual::before,
.auth-visual::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    filter: blur(40px);
}

.auth-visual::before {
    width: 420px;
    height: 420px;
    background: rgba(72, 201, 176, 0.28);
    top: -120px;
    right: -80px;
    animation: floatOrb 10s ease-in-out infinite;
}

.auth-visual::after {
    width: 360px;
    height: 360px;
    background: rgba(163, 228, 215, 0.16);
    bottom: -100px;
    left: -90px;
    animation: floatOrb 12s ease-in-out infinite reverse;
}

@keyframes floatOrb {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(16px, -22px) scale(1.06); }
    66% { transform: translate(-12px, 14px) scale(0.96); }
}

.auth-visual-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.08;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(255,255,255,0.5) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(72,201,176,0.6) 0%, transparent 35%);
    pointer-events: none;
    z-index: 1;
}

.auth-logo-container {
    z-index: 10;
    text-align: center;
    position: relative;
    padding: 28px;
    animation: fadeUp 0.8s var(--ease) both;
}

.auth-logo-container::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 210px;
    height: 210px;
    background: radial-gradient(circle, rgba(255,255,255,0.95) 0%, rgba(163,228,215,0.35) 45%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    filter: blur(8px);
    animation: pulseGlow 3.2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    50% { transform: translate(-50%, -50%) scale(1.08); opacity: 0.85; }
}

.auth-logo-container img {
    height: 150px;
    width: auto;
    margin: 0 auto 12px;
    filter: drop-shadow(0 12px 20px rgba(0, 0, 0, 0.2));
    transition: transform var(--transition);
}

.auth-logo-container:hover img {
    transform: scale(1.05) rotate(-1deg);
}

.auth-visual-text {
    z-index: 10;
    max-width: 440px;
    text-align: center;
    margin-top: 20px;
    animation: fadeUp 0.9s var(--ease) 0.15s both;
}

.auth-visual-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.9rem;
    background: rgba(72, 201, 176, 0.18);
    border: 1px solid rgba(72, 201, 176, 0.4);
    border-radius: 9999px;
    color: var(--mint);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1.1rem;
}

.auth-visual-badge i {
    font-size: 0.55rem;
    color: var(--teal);
    animation: blinkDot 2s ease-out infinite;
}

@keyframes blinkDot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

.auth-visual-text h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
    margin: 0 0 14px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.auth-visual-text h2 .brand-logi { color: #fff; }
.auth-visual-text h2 .brand-ecole {
    background: linear-gradient(135deg, var(--mint) 0%, var(--teal) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.auth-visual-text p {
    font-size: 1rem;
    opacity: 0.88;
    line-height: 1.7;
    font-weight: 400;
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
}

.auth-visual-features {
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 2.25rem;
    width: 100%;
    max-width: 360px;
    animation: fadeUp 1s var(--ease) 0.3s both;
}

.auth-feature-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(163, 228, 215, 0.18);
    border-radius: 14px;
    backdrop-filter: blur(8px);
    transition: all var(--transition);
}

.auth-feature-item:hover {
    background: rgba(72, 201, 176, 0.15);
    border-color: rgba(72, 201, 176, 0.4);
    transform: translateX(6px);
}

.auth-feature-item .icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(145deg, var(--teal), var(--teal-deep));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 6px 14px rgba(72, 201, 176, 0.3);
}

.auth-feature-item .icon i {
    color: #fff;
    font-size: 0.9rem;
}

.auth-feature-item span {
    font-size: 0.88rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.92);
}

/* ── Form panel ── */
.auth-form-side {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(ellipse 70% 50% at 90% 10%, rgba(163, 228, 215, 0.25) 0%, transparent 55%),
        radial-gradient(ellipse 50% 40% at 10% 90%, rgba(72, 201, 176, 0.12) 0%, transparent 50%),
        #fff;
    padding: 48px 40px;
    position: relative;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.auth-card.ready {
    opacity: 1;
    transform: translateY(0);
}

.auth-welcome {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-welcome .welcome-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    border-radius: 16px;
    background: linear-gradient(145deg, var(--teal), var(--teal-deep));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 24px rgba(72, 201, 176, 0.35);
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.auth-welcome .welcome-icon i {
    color: #fff;
    font-size: 1.35rem;
}

.auth-welcome h1 {
    font-size: clamp(1.75rem, 3vw, 2.15rem);
    font-weight: 800;
    color: var(--navy);
    margin: 0 0 0.5rem;
    letter-spacing: -0.02em;
}

.auth-welcome h1 span {
    background: linear-gradient(135deg, var(--teal) 0%, var(--teal-deep) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.auth-welcome p {
    color: var(--muted);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.55;
}

/* Alerts */
.validation-card {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-left: 4px solid #ef4444;
    padding: 12px 14px;
    margin-bottom: 1.25rem;
    border-radius: 12px;
    font-size: 0.85rem;
    color: #991b1b;
    animation: shakeIn 0.45s var(--ease);
}

.validation-card div + div { margin-top: 4px; }

.status-card {
    background: var(--mint-soft);
    border: 1px solid var(--border);
    border-left: 4px solid var(--teal);
    padding: 12px 14px;
    margin-bottom: 1.25rem;
    border-radius: 12px;
    font-size: 0.85rem;
    color: var(--teal-deep);
    animation: fadeUp 0.45s var(--ease);
}

@keyframes shakeIn {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Form */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    position: relative;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 0.4rem;
    padding-left: 0.25rem;
}

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

.input-wrap .input-icon {
    position: absolute;
    left: 1.1rem;
    color: var(--teal-dark);
    font-size: 0.95rem;
    pointer-events: none;
    transition: color var(--transition);
    z-index: 1;
}

.input-wrap .toggle-password {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    color: var(--muted);
    cursor: pointer;
    padding: 0.35rem;
    font-size: 0.95rem;
    transition: color var(--transition);
    z-index: 1;
}

.input-wrap .toggle-password:hover {
    color: var(--teal-dark);
}

.input-field {
    width: 100%;
    background: var(--mint-soft);
    border: 1.5px solid transparent;
    border-radius: 14px;
    padding: 0.95rem 1.15rem 0.95rem 2.85rem;
    font-size: 0.95rem;
    font-weight: 500;
    font-family: inherit;
    color: var(--navy);
    transition: all var(--transition);
    outline: none;
}

.input-field.no-icon {
    padding-left: 1.15rem;
}

.input-field::placeholder {
    color: #8aa0a8;
    font-weight: 400;
}

.input-field:hover {
    border-color: rgba(72, 201, 176, 0.35);
    background: #f0faf8;
}

.input-field:focus {
    background: #fff;
    border-color: var(--teal);
    box-shadow: 0 0 0 4px rgba(72, 201, 176, 0.18);
}

.input-wrap:focus-within .input-icon {
    color: var(--teal);
}

.auth-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.15rem;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--muted);
    cursor: pointer;
    user-select: none;
}

.remember-me input {
    width: 16px;
    height: 16px;
    accent-color: var(--teal);
    cursor: pointer;
}

.forgot-link {
    font-size: 0.85rem;
    color: var(--teal-dark);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition);
}

.forgot-link:hover {
    color: var(--navy);
    text-decoration: underline;
}

.terms-label {
    font-size: 0.82rem;
    color: var(--muted);
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    cursor: pointer;
    line-height: 1.5;
    text-align: left;
}

.terms-label input {
    width: 16px;
    height: 16px;
    margin-top: 2px;
    accent-color: var(--teal);
    flex-shrink: 0;
    cursor: pointer;
}

.terms-label a {
    color: var(--teal-dark);
    text-decoration: none;
    font-weight: 600;
}

.terms-label a:hover {
    color: var(--navy);
    text-decoration: underline;
}

/* Button */
.auth-btn {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--teal) 0%, var(--teal-deep) 100%);
    color: #fff;
    border: none;
    border-radius: 14px;
    padding: 0.95rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 700;
    font-family: inherit;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: all var(--transition);
    margin-top: 0.5rem;
    width: 100%;
    box-shadow: 0 8px 22px rgba(72, 201, 176, 0.35);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
}

.auth-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.28), transparent);
    transition: left 0.55s var(--ease);
}

.auth-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--glow);
    filter: brightness(1.05);
}

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

.auth-btn:active {
    transform: translateY(-1px);
}

.auth-btn i {
    transition: transform var(--transition);
}

.auth-btn:hover i {
    transform: translateX(4px);
}

.auth-footer {
    text-align: center;
    margin-top: 1.75rem;
    font-size: 0.9rem;
    color: var(--muted);
}

.auth-footer a {
    color: var(--teal-dark);
    text-decoration: none;
    font-weight: 700;
    transition: color var(--transition);
    position: relative;
}

.auth-footer a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--teal);
    transition: width var(--transition);
}

.auth-footer a:hover { color: var(--navy); }
.auth-footer a:hover::after { width: 100%; }

.auth-back-home {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1.25rem;
    font-size: 0.85rem;
    color: var(--muted);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition);
}

.auth-back-home:hover {
    color: var(--teal-dark);
    transform: translateX(-3px);
}

/* Language switcher */
.auth-lang-fixed {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--border);
    border-radius: 9999px;
    box-shadow: 0 6px 18px rgba(27, 54, 93, 0.12);
    backdrop-filter: blur(8px);
}

.lang-opt {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 7px 12px;
    border-radius: 9999px;
    transition: all var(--transition);
}

.lang-opt .flag {
    font-size: 1rem;
    line-height: 1;
}

.lang-opt:hover {
    color: var(--navy);
    background: var(--mint-soft);
}

.lang-opt.active {
    color: #fff;
    background: linear-gradient(135deg, var(--teal), var(--teal-deep));
    box-shadow: 0 6px 14px rgba(0, 77, 77, 0.22);
}

/* legacy single button (autres pages auth) */
.lang-btn {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--border);
    padding: 0.45rem 0.95rem;
    border-radius: 9999px;
    text-decoration: none;
    color: var(--navy);
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: all var(--transition);
    box-shadow: 0 4px 12px rgba(27, 54, 93, 0.08);
    backdrop-filter: blur(8px);
}

.lang-btn:hover {
    background: #fff;
    border-color: var(--teal);
    box-shadow: 0 8px 20px rgba(72, 201, 176, 0.25);
    transform: translateY(-2px);
}

.lang-btn i { color: var(--teal-dark); }

/* Divider */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 0.25rem 0;
    color: #94a3b8;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* Responsive */
@media (max-width: 960px) {
    .auth-wrapper {
        flex-direction: column;
    }

    .auth-visual {
        flex: none;
        min-height: 240px;
        padding: 32px 24px;
    }

    .auth-logo-container {
        padding: 12px;
    }

    .auth-logo-container img {
        height: 88px;
        margin-bottom: 0;
    }

    .auth-logo-container::before {
        width: 130px;
        height: 130px;
    }

    .auth-visual-text h2 {
        font-size: 1.5rem;
        margin-bottom: 8px;
    }

    .auth-visual-text p {
        font-size: 0.9rem;
    }

    .auth-visual-features {
        display: none;
    }

    .auth-form-side {
        padding: 36px 20px 48px;
    }

    .auth-lang-fixed {
        top: 12px;
        right: 12px;
    }
}

@media (max-width: 480px) {
    .auth-welcome h1 {
        font-size: 1.6rem;
    }

    .auth-visual {
        min-height: 200px;
        padding: 24px 16px;
    }

    .auth-visual-badge {
        display: none;
    }
}

/* Register wizard */
.auth-card--wizard {
    max-width: 460px;
}

.reg-steps {
    margin: 0 0 1.5rem;
}

.reg-steps-track {
    position: relative;
    height: 3px;
    background: var(--border);
    border-radius: 999px;
    margin: 0 28px 14px;
    overflow: hidden;
}

.reg-steps-fill {
    display: block;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--teal), var(--teal-deep));
    border-radius: inherit;
    transition: width 0.35s ease;
}

.reg-steps-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.reg-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-align: center;
}

.reg-step-num {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--muted);
    background: #fff;
    border: 2px solid var(--border);
    transition: all var(--transition);
}

.reg-step-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--muted);
    letter-spacing: 0.02em;
}

.reg-step.is-active .reg-step-num,
.reg-step.is-done .reg-step-num {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(135deg, var(--teal), var(--teal-deep));
    box-shadow: 0 6px 14px rgba(0, 77, 77, 0.2);
}

.reg-step.is-active .reg-step-label {
    color: var(--navy);
}

.reg-step.is-locked .reg-step-num {
    opacity: 0.55;
}

.reg-panel[hidden] {
    display: none !important;
}

.reg-panel.is-visible {
    animation: regPanelIn 0.28s ease;
}

@keyframes regPanelIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: none; }
}

.reg-panel-title {
    margin-bottom: 1.1rem;
}

.reg-panel-title h2 {
    margin: 0 0 4px;
    font-size: 1.05rem;
    color: var(--navy);
    font-weight: 700;
}

.reg-panel-title p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--muted);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
}

.reg-actions {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.75rem;
    margin-top: 0.25rem;
}

.auth-btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.9rem 1.1rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--navy);
    font-weight: 650;
    font-size: 0.92rem;
    cursor: pointer;
    transition: all var(--transition);
}

.auth-btn-secondary:hover {
    border-color: var(--teal);
    background: var(--mint-soft);
}

.logo-upload {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 1.15rem;
    padding: 12px;
    border: 1px dashed var(--border);
    border-radius: 14px;
    background: linear-gradient(180deg, rgba(163, 228, 215, 0.12), transparent);
}

.logo-upload-btn {
    width: 64px;
    height: 64px;
    border-radius: 14px;
    border: 2px dashed rgba(72, 201, 176, 0.55);
    background: #fff;
    color: var(--teal-dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: hidden;
    flex-shrink: 0;
    transition: all var(--transition);
}

.logo-upload-btn:hover {
    border-color: var(--teal);
    box-shadow: 0 8px 18px rgba(72, 201, 176, 0.18);
}

.logo-upload-btn img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.logo-upload-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-upload-meta strong {
    font-size: 0.88rem;
    color: var(--navy);
}

.logo-upload-meta span {
    font-size: 0.75rem;
    color: var(--muted);
}

@media (max-width: 480px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .reg-actions {
        grid-template-columns: 1fr;
    }

    .reg-step-label {
        font-size: 0.65rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}