/* ============================================================
   Login Page — Modern Glassmorphism Design
   Fonts: IRANSansX (local), Vazir (local) — no external CDN
   ============================================================ */

/* ---- Reset & Base ---------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'IRANSansX-Regular', 'Vazir-Regular', 'Vazirmatn-Regular', system-ui, sans-serif;
    background: #07070f;
    min-height: 100vh;
    overflow: hidden;
    color: #e2e8f0;
    direction: rtl;
}

/* ---- Background ------------------------------------------ */
.login-bg {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 1.5rem;
    background: radial-gradient(ellipse at 20% 50%, #0d1a3a 0%, #07070f 60%),
                radial-gradient(ellipse at 80% 20%, #130d2e 0%, transparent 50%);
    background-color: #07070f;
}

/* Animated blobs */
.blob {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
    pointer-events: none;
    animation: blobFloat linear infinite;
    will-change: transform;
}

.blob-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #1d4ed8 0%, transparent 70%);
    top: -100px;
    right: -100px;
    animation-duration: 20s;
    animation-delay: 0s;
}

.blob-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #4f46e5 0%, transparent 70%);
    bottom: -80px;
    left: -80px;
    animation-duration: 25s;
    animation-delay: -8s;
}

.blob-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #0ea5e9 0%, transparent 70%);
    top: 40%;
    left: 30%;
    animation-duration: 18s;
    animation-delay: -4s;
    opacity: 0.2;
}

.blob-4 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, #7c3aed 0%, transparent 70%);
    bottom: 20%;
    right: 20%;
    animation-duration: 22s;
    animation-delay: -12s;
    opacity: 0.18;
}

@keyframes blobFloat {
    0%   { transform: translate(0, 0) scale(1); }
    25%  { transform: translate(30px, -20px) scale(1.05); }
    50%  { transform: translate(-20px, 30px) scale(0.95); }
    75%  { transform: translate(20px, 20px) scale(1.02); }
    100% { transform: translate(0, 0) scale(1); }
}

/* Subtle dot grid overlay */
.login-bg::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
    z-index: 0;
}

/* ---- Card ------------------------------------------------- */
.login-card {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 420px;
    background: rgba(13, 13, 22, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 1.5rem;
    padding: 2.5rem 2rem;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow:
        0 0 0 1px rgba(255,255,255,0.04) inset,
        0 4px 6px rgba(0,0,0,0.3),
        0 20px 60px rgba(0,0,0,0.5),
        0 0 80px rgba(59, 130, 246, 0.06);
    animation: cardIn 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes cardIn {
    from {
        opacity: 0;
        transform: translateY(24px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ---- Logo ------------------------------------------------- */
.login-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 1.25rem;
    animation: logoIn 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.1s both;
}

.login-logo svg {
    filter: drop-shadow(0 0 18px rgba(99, 102, 241, 0.5));
    transition: filter 0.3s ease;
}

.login-logo svg:hover {
    filter: drop-shadow(0 0 28px rgba(99, 102, 241, 0.8));
}

@keyframes logoIn {
    from { opacity: 0; transform: scale(0.7) rotate(-10deg); }
    to   { opacity: 1; transform: scale(1) rotate(0deg); }
}

/* ---- Header ---------------------------------------------- */
.login-header {
    text-align: center;
    margin-bottom: 1.75rem;
    animation: fadeUp 0.5s ease 0.15s both;
}

.login-header h1 {
    font-family: 'IRANSansX-Bold', 'Vazir-Bold', sans-serif;
    font-size: 1.875rem;
    font-weight: 700;
    color: #f1f5f9;
    letter-spacing: -0.02em;
    margin-bottom: 0.375rem;
    background: linear-gradient(135deg, #e2e8f0 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-header p {
    font-family: 'IRANSansX-Regular', 'Vazir-Regular', sans-serif;
    font-size: 0.875rem;
    color: #64748b;
    line-height: 1.6;
}

/* ---- Alerts ---------------------------------------------- */
.login-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    padding: 0.875rem 1rem;
    border-radius: 0.75rem;
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
    font-family: 'IRANSansX-Regular', 'Vazir-Regular', sans-serif;
    animation: fadeUp 0.3s ease both;
}

.login-alert i {
    font-size: 1.125rem;
    flex-shrink: 0;
    margin-top: 1px;
}

.login-alert-success {
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #6ee7b7;
}

.login-alert-danger {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

/* ---- Form ------------------------------------------------- */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 0;
    animation: fadeUp 0.5s ease 0.2s both;
}

.form-group {
    margin-bottom: 1.125rem;
}

.form-label {
    display: block;
    font-family: 'IRANSansX-Medium', 'Vazir-Medium', sans-serif;
    font-size: 0.8125rem;
    color: #94a3b8;
    margin-bottom: 0.5rem;
}

.label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.label-row .form-label {
    margin-bottom: 0;
}

.forgot-link {
    font-family: 'IRANSansX-Regular', 'Vazir-Regular', sans-serif;
    font-size: 0.8125rem;
    color: #3b82f6;
    text-decoration: none;
    transition: color 0.2s ease;
}

.forgot-link:hover {
    color: #60a5fa;
    text-decoration: underline;
}

/* ---- Input wrapper --------------------------------------- */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    right: 0.875rem;
    font-size: 1.0625rem;
    color: #475569;
    pointer-events: none;
    transition: color 0.2s ease;
    z-index: 1;
}

.input-wrapper:focus-within .input-icon {
    color: #3b82f6;
}

.form-control {
    width: 100%;
    height: 48px;
    padding: 0 2.75rem 0 2.75rem;
    font-family: 'IRANSansX-Regular', 'Vazir-Regular', sans-serif;
    font-size: 0.9375rem;
    color: #e2e8f0;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.75rem;
    transition: all 0.2s ease;
    outline: none;
    direction: ltr;
    text-align: right;
}

.form-control::placeholder {
    color: #475569;
    font-size: 0.875rem;
    direction: ltr;
    text-align: right;
}

.form-control:focus {
    background: rgba(59, 130, 246, 0.06);
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    color: #f1f5f9;
}

.form-control:hover:not(:focus) {
    border-color: rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.06);
}

.input-wrapper.has-error .form-control {
    border-color: rgba(239, 68, 68, 0.4);
    background: rgba(239, 68, 68, 0.04);
}

.input-wrapper.has-error .form-control:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Eye toggle button */
.eye-toggle {
    position: absolute;
    left: 0.75rem;
    background: none;
    border: none;
    padding: 0.25rem;
    color: #475569;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.375rem;
    font-size: 1.0625rem;
    transition: color 0.2s ease, background 0.2s ease;
    z-index: 1;
}

.eye-toggle:hover {
    color: #94a3b8;
    background: rgba(255,255,255,0.05);
}

/* Error message */
.error-msg {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-family: 'IRANSansX-Regular', 'Vazir-Regular', sans-serif;
    font-size: 0.8125rem;
    color: #f87171;
    margin-top: 0.4rem;
}

.error-msg i {
    font-size: 0.875rem;
    flex-shrink: 0;
}

/* ---- Remember me ----------------------------------------- */
.remember-row {
    margin-bottom: 1.25rem;
}

.remember-label {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    cursor: pointer;
    user-select: none;
}

.remember-checkbox {
    display: none;
}

.remember-custom {
    width: 18px;
    height: 18px;
    border-radius: 0.375rem;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.04);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s ease;
    position: relative;
}

.remember-checkbox:checked + .remember-custom {
    background: #3b82f6;
    border-color: #3b82f6;
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.4);
}

.remember-checkbox:checked + .remember-custom::after {
    content: '';
    width: 10px;
    height: 6px;
    border-left: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(-45deg) translateY(-1px);
    display: block;
}

.remember-text {
    font-family: 'IRANSansX-Regular', 'Vazir-Regular', sans-serif;
    font-size: 0.875rem;
    color: #94a3b8;
}

/* ---- Submit button --------------------------------------- */
.btn-login {
    width: 100%;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: 'IRANSansX-Medium', 'Vazir-Medium', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    color: #ffffff;
    background: linear-gradient(135deg, #2563eb 0%, #4f46e5 100%);
    border: none;
    border-radius: 0.875rem;
    cursor: pointer;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.01em;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.25);
    margin-top: 0.25rem;
}

.btn-login::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.btn-login:hover:not(:disabled)::before {
    opacity: 1;
}

.btn-login:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-login:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
}

.btn-login span,
.btn-login i {
    position: relative;
    z-index: 1;
}

.btn-icon {
    font-size: 1.125rem;
    transition: transform 0.2s ease;
}

.btn-login:hover .btn-icon {
    transform: translateX(-3px);
}

/* Loading spinner */
.btn-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.65s linear infinite;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

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

/* ---- Shared animations ----------------------------------- */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---- Responsive ------------------------------------------ */
@media (max-width: 480px) {
    .login-card {
        padding: 2rem 1.375rem;
        border-radius: 1.25rem;
        max-width: 100%;
    }

    .login-header h1 {
        font-size: 1.625rem;
    }

    .blob-1, .blob-2 {
        width: 300px;
        height: 300px;
    }

    .blob-3, .blob-4 {
        display: none;
    }
}

@media (min-height: 800px) {
    .login-card {
        padding: 3rem 2.5rem;
    }
}