/* ============================================
   LOGIN MODAL - Premium Dark Popup
   Duolingo Gamification Style
   ============================================ */

/* --- Overlay --- */
.fp-login-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 99998;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.fp-login-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* --- Modal Container --- */
.fp-login-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.92);
    width: 92%;
    max-width: 420px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--fp-bg-elevated, #161f28);
    border: 1px solid var(--fp-border-default, rgba(255, 255, 255, 0.12));
    border-radius: var(--fp-radius-xl, 24px);
    box-shadow:
        0 24px 80px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(255, 255, 255, 0.05),
        0 0 60px rgba(88, 204, 2, 0.08);
    z-index: 99999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s cubic-bezier(0.32, 0.72, 0, 1),
        visibility 0.4s ease,
        transform 0.4s cubic-bezier(0.32, 0.72, 0, 1);
    direction: rtl;
}

.fp-login-modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

/* --- Close Button --- */
.fp-login-modal-close {
    position: absolute;
    top: 16px;
    left: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--fp-border-default, rgba(255, 255, 255, 0.12));
    background: var(--fp-bg-secondary, #111921);
    color: var(--fp-text-secondary, #94A3B8);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 2;
}

.fp-login-modal-close:hover {
    background: var(--fp-red, #FF4B4B);
    border-color: var(--fp-red, #FF4B4B);
    color: #fff;
    transform: rotate(90deg);
}

/* --- Modal Content --- */
.fp-login-modal-body {
    padding: 40px 32px 32px;
}

/* --- Header --- */
.fp-login-modal-header {
    text-align: center;
    margin-bottom: 28px;
}

.fp-login-modal-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--fp-primary, #58CC02) 0%, var(--fp-primary-light, #89E219) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 2rem;
    color: #fff;
    box-shadow: 0 8px 24px rgba(88, 204, 2, 0.25);
}

.fp-login-modal-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--fp-text-primary, #F8FAFC);
    margin-bottom: 6px;
}

.fp-login-modal-subtitle {
    font-size: 0.9rem;
    color: var(--fp-text-secondary, #94A3B8);
    margin: 0;
}

/* --- Divider --- */
.fp-login-modal-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--fp-border-default, rgba(255, 255, 255, 0.12)), transparent);
    margin-bottom: 24px;
}

/* --- Form --- */
.fp-login-modal-form .fp-login-field {
    margin-bottom: 18px;
    position: relative;
}

.fp-login-modal-form label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--fp-text-primary, #F8FAFC);
    margin-bottom: 8px;
}

.fp-login-modal-form label i {
    margin-left: 6px;
    color: var(--fp-primary, #58CC02);
    font-size: 0.85em;
}

.fp-login-modal-form input[type="text"],
.fp-login-modal-form input[type="password"],
.fp-login-modal-form input[type="email"] {
    width: 100%;
    padding: 14px 18px;
    font-family: var(--fp-font-primary, 'Cairo', sans-serif);
    font-size: 1rem;
    color: var(--fp-text-primary, #F8FAFC);
    background: var(--fp-bg-secondary, #111921);
    border: 2px solid var(--fp-border-subtle, rgba(255, 255, 255, 0.06));
    border-radius: var(--fp-radius-md, 12px);
    transition: all 0.2s ease;
    outline: none;
    direction: rtl;
}

.fp-login-modal-form input:focus {
    border-color: var(--fp-secondary, #1CB0F6);
    background: var(--fp-bg-elevated, #161f28);
    box-shadow: 0 0 0 4px rgba(28, 176, 246, 0.15);
}

.fp-login-modal-form input::placeholder {
    color: var(--fp-gray, #94A3B8);
}

/* --- Password Toggle --- */
.fp-login-password-toggle {
    position: absolute;
    left: 14px;
    top: 44px;
    background: none;
    border: none;
    color: var(--fp-text-secondary, #94A3B8);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 4px;
    transition: color 0.2s;
}

.fp-login-password-toggle:hover {
    color: var(--fp-primary, #58CC02);
}

/* --- Remember / Forgot --- */
.fp-login-extras {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 22px;
    font-size: 0.85rem;
}

.fp-login-remember {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--fp-text-secondary, #94A3B8);
    cursor: pointer;
}

.fp-login-remember input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--fp-primary, #58CC02);
    cursor: pointer;
}

.fp-login-forgot {
    color: var(--fp-secondary, #1CB0F6);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s;
}

.fp-login-forgot:hover {
    color: var(--fp-secondary-light, #84D8FF);
}

/* --- Submit Button (3D Duolingo) --- */
.fp-login-submit {
    width: 100%;
    padding: 14px 24px;
    font-family: var(--fp-font-primary, 'Cairo', sans-serif);
    font-size: 1.1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #fff;
    background: var(--fp-primary, #58CC02);
    border: none;
    border-radius: var(--fp-radius-full, 50px);
    box-shadow: 0 5px 0 var(--fp-primary-dark, #46a302),
        0 6px 16px rgba(88, 204, 2, 0.25);
    cursor: pointer;
    position: relative;
    top: 0;
    transition: all 0.15s ease;
}

.fp-login-submit:hover {
    background: var(--fp-primary-light, #89E219);
    top: 2px;
    box-shadow: 0 3px 0 var(--fp-primary-dark, #46a302),
        0 4px 12px rgba(88, 204, 2, 0.2);
}

.fp-login-submit:active {
    top: 5px;
    box-shadow: 0 0 0 var(--fp-primary-dark, #46a302);
}

.fp-login-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    top: 0 !important;
    box-shadow: none !important;
}

/* --- Loading State --- */
.fp-login-submit .fp-login-spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: fpLoginSpin 0.7s linear infinite;
    margin: 0 auto;
}

.fp-login-submit.loading .fp-login-btn-text {
    display: none;
}

.fp-login-submit.loading .fp-login-spinner {
    display: inline-block;
}

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

/* --- Error Message --- */
.fp-login-error {
    display: none;
    background: rgba(255, 75, 75, 0.12);
    border: 1px solid rgba(255, 75, 75, 0.3);
    color: var(--fp-red-light, #FFB3B3);
    padding: 12px 16px;
    border-radius: var(--fp-radius-md, 12px);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
    text-align: center;
    animation: fpLoginShake 0.4s ease;
}

.fp-login-error.visible {
    display: block;
}

@keyframes fpLoginShake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-8px);
    }

    50% {
        transform: translateX(8px);
    }

    75% {
        transform: translateX(-4px);
    }
}

/* --- Footer / Register Link --- */
.fp-login-modal-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--fp-border-subtle, rgba(255, 255, 255, 0.06));
}

.fp-login-modal-footer p {
    color: var(--fp-text-secondary, #94A3B8);
    font-size: 0.9rem;
    margin: 0;
}

.fp-login-modal-footer a {
    color: var(--fp-secondary, #1CB0F6);
    font-weight: 700;
    text-decoration: none;
    transition: color 0.2s;
}

.fp-login-modal-footer a:hover {
    color: var(--fp-secondary-light, #84D8FF);
}

/* --- Security Badge --- */
.fp-login-security {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
    font-size: 0.78rem;
    color: var(--fp-text-muted, #64748B);
}

.fp-login-security i {
    color: var(--fp-primary, #58CC02);
}

/* --- Responsive --- */
@media (max-width: 480px) {
    .fp-login-modal {
        width: 96%;
        max-width: none;
        border-radius: var(--fp-radius-lg, 16px);
    }

    .fp-login-modal-body {
        padding: 32px 20px 24px;
    }

    .fp-login-modal-icon {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
        border-radius: 16px;
    }

    .fp-login-modal-title {
        font-size: 1.25rem;
    }
}