/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary: #003366;
    --primary-dark: #001f4d;
    --primary-light: #4f9eff;
    --secondary: #6c757d;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --light: #f8f9fa;
    --lighter: #fafbfc;
    --dark: #2c3e50;
    --white: #ffffff;
    
    --border-radius: 16px;
    --border-radius-sm: 12px;
    --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 10px 40px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 20px 60px rgba(0, 51, 102, 0.15);
    --shadow-xl: 0 25px 80px rgba(0, 51, 102, 0.2);
    
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-fast: all 0.2s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: linear-gradient(135deg, var(--light) 0%, #e9ecef 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ==========================================================================
   LAYOUT
   ========================================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.d-flex {
    display: flex;
}

.align-items-center {
    align-items: center;
}

.justify-content-between {
    justify-content: space-between;
}

.justify-content-center {
    justify-content: center;
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1.25rem 0;
    border-bottom: 1px solid rgba(0, 51, 102, 0.08);
    transition: var(--transition);
}

.header.scrolled {
    padding: 0.75rem 0;
    box-shadow: var(--shadow-md);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.header-logo-img {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    object-fit: cover;
    box-shadow: 0 6px 20px rgba(0, 51, 102, 0.15);
    transition: var(--transition);
}

.header-logo:hover .header-logo-img {
    transform: scale(1.05) rotate(2deg);
    box-shadow: 0 10px 30px rgba(0, 51, 102, 0.25);
}

.header-title {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.header-nav {
    display: flex;
    gap: 1rem;
}

.nav-link {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--primary);
    background: rgba(0, 51, 102, 0.05);
    transform: translateY(-1px);
}

/* ==========================================================================
   MAIN CONTENT
   ========================================================================== */
.main-wrapper {
    min-height: calc(100vh - 200px);
    padding: 3rem 0;
    display: flex;
    align-items: center;
}

.sidebar {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.card-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
    padding: 2rem 1rem;
    width: 100%;           
    max-width: 1400px;     
    margin: 0 auto;
}

.card {
    background: var(--white);
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: none;
    width: 1200px;         
    max-width: 100%;       
    min-width: 400px;
    flex-shrink: 0;        
    transition: var(--transition);
}

.card-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
    padding: 2rem;
}

.card-body {
    padding: 4rem 3rem;
    padding-bottom: 3rem;
    position: relative;
}

.text-center {
    text-align: center;
}

.logo-section {
    display: inline-block;
    position: relative;
}

.logo-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.logo-circle:hover {
    transform: scale(1.05) rotate(5deg);
    box-shadow: var(--shadow-xl);
}

.neu-logo {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.section-title {
    font-size: 1.4rem;
    color: var(--primary);
    font-weight: 700;
    padding-left: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 6px;
    height: 32px;
    background: linear-gradient(180deg, var(--primary), var(--primary-light));
    border-radius: 4px;
}

/* ==========================================================================
   FORM STYLES
   ========================================================================== */
.form-label {
    color: var(--dark);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    display: block;
}

.form-control,
.form-select {
    width: 100%;
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    padding: 1.25rem 2rem;
    font-size: 1rem;
    background: var(--lighter);
    transition: var(--transition);
    height: 68px;
    font-weight: 500;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.04);
}

.form-control:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 
        0 0 0 4px rgba(0, 51, 102, 0.1),
        0 8px 25px rgba(0, 51, 102, 0.15),
        inset 0 1px 4px rgba(0, 0, 0, 0.02);
    transform: translateY(-2px);
}

.input-group {
    display: flex;
    width: 100%;
}

.input-group .form-control {
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    border-right: none;
    flex: 1;
}

.toggle-pass {
    border: 2px solid #e9ecef;
    border-left: none;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    background: var(--lighter);
    color: var(--secondary);
    width: 68px;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.toggle-pass:hover {
    background: #f8f9fa;
    border-color: var(--primary);
    color: var(--primary);
    transform: scale(1.05);
}

.form-text {
    font-size: 0.875rem;
    color: var(--secondary);
    margin-top: 0.5rem;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #004a99 50%, var(--primary-light) 100%);
    border: none;
    border-radius: var(--border-radius);
    color: var(--white);
    font-weight: 700;
    font-size: 1.125rem;
    padding: 1.5rem 3rem;
    height: 72px;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    width: 100%;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.btn-primary:active {
    transform: translateY(-2px);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background: linear-gradient(135deg, var(--primary) 0%, #004a99 100%);
    color: var(--white);
    padding: 3rem 0 2rem;
    margin-top: auto;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-logo-img {
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius-sm);
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.footer-logo span {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-light);
}

.footer p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-bottom: 0.25rem;
}

/* ==========================================================================
   UTILITIES
   ========================================================================== */
.text-primary { color: var(--primary) !important; }
.text-muted { color: var(--secondary) !important; }
.text-danger { color: var(--danger) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.w-100 { width: 100% !important; }

.border-top {
    border-top: 1px solid #e9ecef;
}

.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }
.pt-3 { padding-top: 1rem; }
.pt-4 { padding-top: 1.5rem; }

/* ==========================================================================
   GRID SYSTEM
   ========================================================================== */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -1rem;
}

.col-lg-6 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 1rem;
}

@media (max-width: 992px) {
    .col-lg-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.main-wrapper > * {
    animation: fadeInUp 0.8s ease-out forwards;
}

.logo-circle {
    animation: float 6s ease-in-out infinite;
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1200px) {
    .container { padding: 0 1rem; }
}

@media (max-width: 992px) {
    .header-nav { display: none; }
    .card-body { padding: 3rem 2rem; }
    h1 { font-size: 2.25rem; }
    .main-wrapper { padding: 2rem 1rem; min-height: calc(100vh - 160px); }
}

@media (max-width: 768px) {
    .header { padding: 1rem 0; }
    .header-logo-img { width: 42px; height: 42px; }
    .header-title { font-size: 1.3rem; }
    
    .card-body { 
        padding: 2.5rem 1.75rem !important;
        padding-top: 3rem !important;
    }
    
    .logo-circle { 
        width: 90px; 
        height: 90px; 
    }
    .neu-logo { 
        width: 65px; 
        height: 65px; 
    }
    
    h1 { font-size: 2rem; }
    .section-title { font-size: 1.25rem; }
    
    .main-wrapper { 
        padding: 1.5rem 1rem; 
        min-height: calc(100vh - 140px);
    }
    
    .row > * { margin-bottom: 2rem; }
}

@media (max-width: 576px) {
    .header-logo-img { width: 38px; height: 38px; }
    .header-title { font-size: 1.2rem; }
    
    .card-body { padding: 2rem 1.25rem !important; }
    
    .form-control,
    .form-select,
    .input-group .form-control,
    .toggle-pass {
        height: 60px !important;
    }
    
    .btn-primary { 
        height: 65px !important; 
        font-size: 1rem !important; 
    }
    
    .logo-circle { 
        width: 80px; 
        height: 80px; 
    }
    .neu-logo { 
        width: 58px; 
        height: 58px; 
    }
    
    h1 { font-size: 1.75rem; }
    
    .footer { padding: 2rem 1rem 1.5rem; }
    .footer-logo-img { width: 36px; height: 36px; }
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */
@media print {
    .header, .footer { display: none; }
    .main-wrapper { min-height: auto; }
}