/* ============================================================
   ONIFY LOGIN — Premium Modern Design
   ============================================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; }

:root {
    --login-primary: #1e3a5f;
    --login-primary-light: #2a5a8f;
    --login-accent: #3b82f6;
    --login-accent-hover: #2563eb;
    --login-bg: #f8fafc;
    --login-card-bg: #ffffff;
    --login-text: #1e293b;
    --login-text-secondary: #64748b;
    --login-text-muted: #94a3b8;
    --login-border: #e2e8f0;
    --login-border-focus: #3b82f6;
    --login-input-bg: #f8fafc;
    --login-success: #10b981;
    --login-error: #ef4444;
    --login-warning: #f59e0b;
    --login-radius: 12px;
    --login-radius-sm: 8px;
    --login-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --login-shadow-lg: 0 10px 40px rgba(0,0,0,0.08);
    --login-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- Page Layout --- */
.login-page {
    display: flex;
    min-height: 100vh;
    height: 100vh;
    background: var(--login-bg);
}

/* --- Brand Panel (Left) --- */
.brand-panel {
    flex: 0 0 480px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(160deg, #0f172a 0%, #1e3a5f 40%, #1e40af 100%);
    color: #fff;
}

.brand-panel-inner {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
    padding: 3rem 2.5rem;
}

/* Decorative shapes */
.brand-decor {
    position: absolute;
    border-radius: 50%;
    opacity: 0.07;
    background: #fff;
    pointer-events: none;
}
.brand-decor-1 {
    width: 400px;
    height: 400px;
    top: -120px;
    right: -100px;
}
.brand-decor-2 {
    width: 250px;
    height: 250px;
    bottom: -60px;
    left: -80px;
}
.brand-decor-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    left: 60%;
    opacity: 0.04;
}

.brand-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
    z-index: 3;
}

.brand-logo .logo-img {
    height: 44px;
    width: auto;
    filter: brightness(0) invert(1);
}

.brand-text h1 {
    font-size: 1.85rem;
    font-weight: 700;
    line-height: 1.25;
    margin: 0 0 0.75rem;
    letter-spacing: -0.02em;
}

.brand-subtitle {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255,255,255,0.7);
    margin: 0;
    max-width: 380px;
}

/* Features */
.brand-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 0.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
}

.feature-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(255,255,255,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.9);
}

.feature-text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.feature-text strong {
    font-size: 0.875rem;
    font-weight: 600;
    color: #fff;
}

.feature-text span {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.55);
}

/* Brand Footer */
.brand-footer {
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.contact-phone {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--login-transition);
}
.contact-phone:hover {
    color: #fff;
}
.contact-phone i {
    font-size: 0.85rem;
}

.brand-social {
    display: flex;
    gap: 0.5rem;
}

.social-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    transition: var(--login-transition);
    font-size: 0.85rem;
}
.social-btn:hover {
    background: rgba(255,255,255,0.2);
    color: #fff;
    transform: translateY(-1px);
}

/* --- Form Panel (Right) --- */
.form-panel {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    overflow-y: auto;
    background: var(--login-bg);
}

.form-panel-inner {
    width: 100%;
    max-width: 440px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Company Logo Zone (returning users) */
.company-logo-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    animation: fadeInDown 0.5s ease-out;
}

.company-logo-img {
    max-height: 52px;
    max-width: 200px;
    width: auto;
    object-fit: contain;
    border-radius: 6px;
}

/* Hide img when no src */
.company-logo-img[src=""],
.company-logo-img:not([src]) {
    display: none;
}

.company-logo-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--login-text);
    letter-spacing: -0.01em;
}

/* --- Form Container --- */
.form-container {
    width: 100%;
}

/* Auth Form */
.auth-form {
    display: none;
    background: var(--login-card-bg);
    border-radius: 16px;
    padding: 2.25rem;
    box-shadow: var(--login-shadow-lg);
    border: 1px solid var(--login-border);
    animation: formAppear 0.35s ease-out;
}

.auth-form.active {
    display: block;
}

@keyframes formAppear {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Form Header */
.form-header {
    text-align: center;
    margin-bottom: 1.75rem;
}

.form-header-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--login-accent), var(--login-primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: #fff;
    font-size: 1.1rem;
}

.form-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--login-text);
    margin: 0 0 0.4rem;
    letter-spacing: -0.01em;
}

.form-header p {
    font-size: 0.9rem;
    color: var(--login-text-secondary);
    margin: 0;
    line-height: 1.4;
}

/* Form Group */
.form-group {
    margin-bottom: 1.125rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--login-text);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Input Wrapper */
.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--login-text-muted);
    font-size: 0.9rem;
    transition: var(--login-transition);
    pointer-events: none;
    z-index: 2;
}

.form-input {
    width: 100%;
    padding: 0.75rem 0.875rem 0.75rem 2.6rem;
    font-size: 0.925rem;
    font-family: inherit;
    color: var(--login-text);
    background: var(--login-input-bg);
    border: 1.5px solid var(--login-border);
    border-radius: var(--login-radius-sm);
    outline: none;
    transition: var(--login-transition);
}

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

.form-input:hover {
    border-color: #cbd5e1;
}

.form-input:focus {
    border-color: var(--login-border-focus);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.form-input:focus ~ .input-icon {
    color: var(--login-accent);
}

/* Autofill fix */
.form-input:-webkit-autofill,
.form-input:-webkit-autofill:hover,
.form-input:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--login-text);
    -webkit-box-shadow: 0 0 0px 1000px var(--login-input-bg) inset;
    transition: background-color 5000s ease-in-out 0s;
}

/* Password Toggle */
.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--login-text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: var(--login-transition);
    z-index: 3;
    font-size: 0.9rem;
}
.toggle-password:hover {
    color: var(--login-text-secondary);
    background: rgba(0,0,0,0.04);
}

/* Password Strength Hint Icon */
.password-strength-hint {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--login-text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    z-index: 3;
    transition: var(--login-transition);
}
.password-strength-hint:hover {
    color: var(--login-text-secondary);
}
.password-strength-hint.text-success { color: var(--login-success) !important; }
.password-strength-hint.text-warning { color: var(--login-warning) !important; }
.password-strength-hint.text-danger { color: var(--login-error) !important; }

/* Form Options */
.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* Custom Checkbox */
.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-left: 28px;
}

.checkbox-wrapper input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-custom {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    border: 1.5px solid var(--login-border);
    border-radius: 4px;
    background: #fff;
    transition: var(--login-transition);
}

.checkbox-wrapper input:checked ~ .checkbox-custom {
    background: var(--login-accent);
    border-color: var(--login-accent);
}

.checkbox-custom::after {
    content: '';
    position: absolute;
    display: none;
    left: 5.5px;
    top: 2px;
    width: 5px;
    height: 9px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-wrapper input:checked ~ .checkbox-custom::after {
    display: block;
}

.checkbox-label {
    font-size: 0.85rem;
    color: var(--login-text-secondary);
}

.checkbox-label a {
    color: var(--login-accent);
    text-decoration: none;
    font-weight: 500;
}
.checkbox-label a:hover {
    text-decoration: underline;
}

.terms-check {
    margin-bottom: 1.25rem;
}

/* Link Button */
.link-btn {
    background: none;
    border: none;
    color: var(--login-accent);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0;
    transition: var(--login-transition);
    font-family: inherit;
}
.link-btn:hover {
    color: var(--login-accent-hover);
    text-decoration: underline;
}

/* Primary Button */
.btn-primary-login {
    width: 100%;
    padding: 0.8rem 1.25rem;
    background: linear-gradient(135deg, var(--login-primary), var(--login-primary-light));
    color: #fff;
    border: none;
    border-radius: var(--login-radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--login-transition);
    position: relative;
    overflow: hidden;
}

.btn-primary-login:hover {
    background: linear-gradient(135deg, var(--login-primary-light), var(--login-primary));
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(30, 58, 95, 0.3);
}

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

.btn-primary-login.loading {
    pointer-events: none;
    color: transparent;
}

.btn-primary-login.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2.5px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: btnSpin 0.7s linear infinite;
}

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

/* Secondary Button */
.btn-secondary-login {
    width: 100%;
    padding: 0.7rem 1.25rem;
    background: transparent;
    color: var(--login-text);
    border: 1.5px solid var(--login-border);
    border-radius: var(--login-radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--login-transition);
}

.btn-secondary-login:hover {
    border-color: var(--login-accent);
    color: var(--login-accent);
    background: rgba(59, 130, 246, 0.04);
}

/* Form Divider */
.form-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.25rem 0;
}

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

.form-divider span {
    font-size: 0.8rem;
    color: var(--login-text-muted);
    white-space: nowrap;
}

/* Form Nav */
.form-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1.25rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* Error Message */
.error-message {
    padding: 0.75rem 1rem;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--login-radius-sm);
    color: var(--login-error);
    font-size: 0.875rem;
    text-align: center;
    margin-bottom: 1rem;
}

/* Legal Links */
.legal-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--login-border);
    flex-wrap: wrap;
}

.legal-links a {
    font-size: 0.75rem;
    color: var(--login-text-muted);
    text-decoration: none;
    transition: var(--login-transition);
}
.legal-links a:hover {
    color: var(--login-accent);
}

.legal-links .sep {
    color: var(--login-text-muted);
    font-size: 0.6rem;
}

/* Half Row */
.form-row-half {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

/* ============================================================
   PASSWORD CRITERIA (Register form)
   ============================================================ */

.password-criteria {
    margin-top: 0.75rem;
    padding: 1rem;
    background: #f8fafc;
    border: 1px solid var(--login-border);
    border-radius: var(--login-radius-sm);
    animation: criteriaSlide 0.25s ease-out;
}

@keyframes criteriaSlide {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.criteria-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.625rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--login-border);
}

.criteria-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--login-text);
}

.criteria-score {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    background: #f1f5f9;
    color: var(--login-text-muted);
    transition: var(--login-transition);
}
.criteria-score.strong {
    background: #dcfce7;
    color: var(--login-success);
}

.criteria-list {
    margin-bottom: 0.625rem;
}

.criteria-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0;
    font-size: 0.8rem;
    color: var(--login-text-secondary);
    transition: var(--login-transition);
}

.criteria-item i {
    width: 14px;
    font-size: 0.75rem;
    text-align: center;
    color: var(--login-error);
    transition: var(--login-transition);
}

.criteria-item.valid {
    color: var(--login-success);
    animation: criteriaValid 0.4s ease-out forwards;
}

.criteria-item.valid i {
    color: var(--login-success) !important;
}

.criteria-item.valid i::before {
    content: "\f00c";
}

.criteria-item.invalid i::before {
    content: "\f00d";
}

.criteria-item.hidden {
    display: none !important;
}

@keyframes criteriaValid {
    0% { opacity: 1; transform: translateX(0); }
    50% { transform: translateX(4px); }
    100% { opacity: 0; height: 0; padding: 0; margin: 0; overflow: hidden; }
}

.criteria-item.success-message {
    background: #dcfce7;
    border: 1px solid #bbf7d0;
    border-radius: 6px;
    padding: 0.625rem;
    justify-content: center;
    font-weight: 500;
    color: var(--login-success);
}

/* Strength Bar */
.password-strength-bar {
    height: 4px;
    background: #e2e8f0;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.4rem;
}

.strength-fill {
    height: 100%;
    border-radius: 2px;
    width: 0%;
    transition: width 0.4s ease, background-color 0.3s ease;
}
.strength-fill.weak { width: 20%; background: var(--login-error); }
.strength-fill.medium { width: 50%; background: var(--login-warning); }
.strength-fill.strong { width: 80%; background: var(--login-success); }
.strength-fill.excellent { width: 100%; background: linear-gradient(90deg, #10b981, #059669); }

.strength-text {
    font-size: 0.75rem;
    text-align: center;
    color: var(--login-text-muted);
    font-weight: 500;
}
.strength-text.weak { color: var(--login-error); }
.strength-text.medium { color: var(--login-warning); }
.strength-text.strong { color: var(--login-success); }
.strength-text.excellent { color: var(--login-success); }

/* Password confirm feedback */
.password-confirm-feedback {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    display: none;
    transition: var(--login-transition);
}

/* ============================================================
   NOTIFICATIONS (toast)
   ============================================================ */
.notification {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    padding: 0.875rem 1.25rem;
    border-radius: var(--login-radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    z-index: 9999;
    transform: translateX(120%);
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 360px;
}
.notification.show {
    transform: translateX(0);
    opacity: 1;
}
.notification.success {
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    color: #065f46;
}
.notification.error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

/* ============================================================
   RESPONSIVE — Tablet
   ============================================================ */
@media (max-width: 1100px) {
    .brand-panel {
        flex: 0 0 400px;
    }
    .brand-text h1 {
        font-size: 1.55rem;
    }
    .auth-form {
        padding: 2rem;
    }
}

/* ============================================================
   RESPONSIVE — Mobile
   ============================================================ */
@media (max-width: 768px) {
    html, body {
        overflow-y: auto;
        height: auto;
    }

    .login-page {
        flex-direction: column;
        height: auto;
        min-height: 100vh;
    }

    /* Brand panel hidden on mobile — inutile, prend de la place */
    .brand-panel {
        display: none;
    }

    /* Form panel */
    .form-panel {
        padding: 1.25rem;
        overflow-y: visible;
    }

    .form-panel-inner {
        max-width: 100%;
    }

    .auth-form {
        padding: 1.5rem;
        border-radius: 14px;
    }

    .form-row-half {
        grid-template-columns: 1fr;
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .form-nav {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }

    .legal-links {
        margin-top: 1rem;
        padding-top: 1rem;
    }
}

@media (max-width: 480px) {
    .form-panel {
        padding: 0.75rem;
    }

    .auth-form {
        padding: 1.25rem;
    }

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

    .btn-primary-login {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
.form-panel::-webkit-scrollbar {
    width: 5px;
}
.form-panel::-webkit-scrollbar-track {
    background: transparent;
}
.form-panel::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}
.form-panel::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ============================================================
   VALIDATION STATES
   ============================================================ */
.form-input.is-valid {
    border-color: var(--login-success);
}
.form-input.is-valid:focus {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
}
.form-input.is-invalid {
    border-color: var(--login-error);
}
.form-input.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

/* ============================================================
   OAUTH LOGIN BUTTONS
   ============================================================ */
.oauth-separator {
    position: relative;
    text-align: center;
    margin: 1.25rem 0;
}

.oauth-separator::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--login-border);
}

.oauth-separator span {
    position: relative;
    padding: 0 1rem;
    background: var(--login-card-bg);
    font-size: 0.8rem;
    color: var(--login-text-muted);
    white-space: nowrap;
}

.oauth-buttons {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.25rem;
}

.oauth-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1rem;
    border-radius: var(--login-radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    border: 1.5px solid var(--login-border);
    background: var(--login-card-bg);
    color: var(--login-text);
    transition: var(--login-transition);
}

.oauth-btn svg {
    flex-shrink: 0;
}

.oauth-btn span {
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* Google */
.oauth-google:hover {
    background: rgba(66, 133, 244, 0.06);
    border-color: rgba(66, 133, 244, 0.4);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.12);
}

/* Microsoft */
.oauth-microsoft:hover {
    background: rgba(0, 164, 239, 0.06);
    border-color: rgba(0, 164, 239, 0.4);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 164, 239, 0.12);
}

@media (max-width: 480px) {
    .oauth-buttons {
        flex-direction: column;
        gap: 0.5rem;
    }
}