/* ========================================
   Login Page Styles
   ======================================== */

/* Auth Card Overlay */
.auth-card .card {
    position: relative;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
}

.auth-card .card-body {
    padding: 40px;
}

/* Logo */
.auth-card .logo-img {
    margin-bottom: 32px !important;
}

.auth-card .logo-img img {
    transition: width 0.3s ease;
}

/* Form Elements */
.auth-card .form-label {
    font-weight: 500;
    color: #2a3547;
    margin-bottom: 8px;
}

.auth-card .form-control {
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid #dfe5ef;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.auth-card .form-control:focus {
    border-color: #5d87ff;
    box-shadow: 0 0 0 3px rgba(93, 135, 255, 0.15);
}

.auth-card .form-control::placeholder {
    color: #a1aab4;
    font-size: 0.9rem;
}

/* Login Button */
.auth-card .btn-primary {
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    background: linear-gradient(135deg, #5d87ff 0%, #49beff 100%);
    border: none;
    transition: all 0.3s ease;
}

.auth-card .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(93, 135, 255, 0.4);
}

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

/* Card Loading Overlay */
.card-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(4px);
    border-radius: inherit;
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card-loading-overlay.active {
    display: flex;
    opacity: 1;
}

/* Ring Spinner */
.ring-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(93, 135, 255, 0.1);
    border-top-color: #5d87ff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Customizer Button - Hide on Login */
.customizer-btn {
    display: none !important;
}

/* ========================================
   RESPONSIVE MEDIA QUERIES - Login Page
   ======================================== */

/* ----------------------------------------
   Laptop (1024px ~ 1439px)
   ---------------------------------------- */
@media (max-width: 1439px) and (min-width: 1024px) {
    .auth-card .card-body {
        padding: 36px;
    }

    .auth-card .logo-img img {
        width: 100px;
    }

    .auth-card .form-control {
        padding: 11px 14px;
        font-size: 0.9rem;
    }

    .auth-card .btn-primary {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
}

/* ----------------------------------------
   Tablet (768px ~ 1023px)
   ---------------------------------------- */
@media (max-width: 1023px) and (min-width: 768px) {
    .auth-card {
        max-width: 420px;
        margin: 0 auto;
    }

    .auth-card .card {
        border-radius: 16px;
    }

    .auth-card .card-body {
        padding: 32px;
    }

    .auth-card .logo-img {
        margin-bottom: 28px !important;
    }

    .auth-card .logo-img img {
        width: 85px;
    }

    .auth-card .form-label {
        font-size: 0.9rem;
        margin-bottom: 6px;
    }

    .auth-card .form-control {
        padding: 11px 14px;
        font-size: 0.9rem;
        border-radius: 8px;
    }

    .auth-card .form-control::placeholder {
        font-size: 0.85rem;
    }

    .auth-card .btn-primary {
        padding: 12px 20px;
        font-size: 0.95rem;
        border-radius: 8px;
    }

    .ring-spinner {
        width: 50px;
        height: 50px;
        border-width: 3px;
    }
}

/* ----------------------------------------
   Mobile (767px 이하)
   ---------------------------------------- */
@media (max-width: 767px) {
    /* Main wrapper - full height */
    #main-wrapper .position-relative {
        padding: 20px 16px;
    }

    .auth-card {
        width: 100%;
        max-width: 100%;
        padding: 0;
    }

    .auth-card .card {
        border-radius: 16px;
        box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
    }

    .auth-card .card-body {
        padding: 28px 24px;
    }

    .auth-card .logo-img {
        margin-bottom: 24px !important;
    }

    .auth-card .logo-img img {
        width: 75px;
    }

    .auth-card .form-label {
        font-size: 0.85rem;
        margin-bottom: 6px;
    }

    .auth-card .form-control {
        padding: 12px 14px;
        font-size: 16px; /* iOS 줌 방지 */
        border-radius: 8px;
    }

    .auth-card .form-control::placeholder {
        font-size: 0.85rem;
    }

    .auth-card .mb-3 {
        margin-bottom: 16px !important;
    }

    .auth-card .mb-4 {
        margin-bottom: 20px !important;
    }

    .auth-card .btn-primary {
        padding: 14px 20px;
        font-size: 1rem;
        border-radius: 10px;
        min-height: 50px; /* 터치 영역 확보 */
    }

    .auth-card .btn-primary:hover {
        transform: none; /* 모바일 호버 효과 제거 */
    }

    .ring-spinner {
        width: 48px;
        height: 48px;
        border-width: 3px;
    }

    /* Radial gradient background adjustment */
    .radial-gradient {
        padding: 16px;
    }
}

/* ----------------------------------------
   Small Mobile (480px 이하)
   ---------------------------------------- */
@media (max-width: 480px) {
    #main-wrapper .position-relative {
        padding: 16px 12px;
    }

    .auth-card .card {
        border-radius: 12px;
    }

    .auth-card .card-body {
        padding: 24px 20px;
    }

    .auth-card .logo-img {
        margin-bottom: 20px !important;
    }

    .auth-card .logo-img img {
        width: 70px;
    }

    .auth-card .form-label {
        font-size: 0.8rem;
    }

    .auth-card .form-control {
        padding: 11px 12px;
    }

    .auth-card .mb-3 {
        margin-bottom: 14px !important;
    }

    .auth-card .mb-4 {
        margin-bottom: 18px !important;
    }

    .auth-card .btn-primary {
        padding: 12px 18px;
        font-size: 0.95rem;
        min-height: 48px;
    }

    .ring-spinner {
        width: 44px;
        height: 44px;
    }
}

/* ----------------------------------------
   Extra Small (360px 이하)
   ---------------------------------------- */
@media (max-width: 360px) {
    #main-wrapper .position-relative {
        padding: 12px 10px;
    }

    .auth-card .card-body {
        padding: 20px 16px;
    }

    .auth-card .logo-img img {
        width: 65px;
    }

    .auth-card .form-control {
        padding: 10px 12px;
        font-size: 15px;
    }

    .auth-card .btn-primary {
        padding: 11px 16px;
        font-size: 0.9rem;
    }
}