/**
 * Login Page - Complete Styles with Bootstrap 5 Utilities
 * Bootstrap 3 ile uyumlu olması için gerekli tüm class'lar burada tanımlandı
 */

/* ===== Bootstrap 5 Utility Classes (Login için) ===== */
.login .position-fixed { position: fixed !important; }
.login .position-absolute { position: absolute !important; }
.login .position-relative { position: relative !important; }
.login .top-0 { top: 0 !important; }
.login .start-0 { left: 0 !important; }
.login .end-0 { right: 0 !important; }
.login .w-100 { width: 100% !important; }
.login .h-100 { height: 100% !important; }
.login .min-vh-100 { min-height: 100vh !important; }

/* Flexbox Utilities */
.login .d-flex { display: flex !important; }
.login .d-inline-flex { display: inline-flex !important; }
.login .d-none { display: none !important; }
.login .flex-column { flex-direction: column !important; }
.login .flex-row { flex-direction: row !important; }
.login .flex-lg-row { flex-direction: row !important; }
.login .flex-grow-1 { flex-grow: 1 !important; }
.login .align-items-center { align-items: center !important; }
.login .justify-content-center { justify-content: center !important; }
.login .justify-content-between { justify-content: space-between !important; }

@media (max-width: 991.98px) {
    .login .flex-lg-row { flex-direction: column !important; }
    .login .d-lg-flex { display: flex !important; }
    .login .d-none.d-lg-flex { display: none !important; }
}

@media (min-width: 992px) {
    .login .d-lg-flex { display: flex !important; }
    .login .d-none.d-lg-flex { display: flex !important; }
}

/* Spacing Utilities */
.login .p-3 { padding: 1rem !important; }
.login .p-4 { padding: 1.5rem !important; }
.login .p-5 { padding: 3rem !important; }
.login .px-3 { padding-left: 1rem !important; padding-right: 1rem !important; }
.login .py-2 { padding-top: 0.5rem !important; padding-bottom: 0.5rem !important; }
.login .py-3 { padding-top: 1rem !important; padding-bottom: 1rem !important; }
.login .ps-3 { padding-left: 1rem !important; }
.login .ps-5 { padding-left: 3rem !important; }
.login .mb-0 { margin-bottom: 0 !important; }
.login .mb-1 { margin-bottom: 0.25rem !important; }
.login .mb-3 { margin-bottom: 1rem !important; }
.login .mb-4 { margin-bottom: 1.5rem !important; }
.login .mt-4 { margin-top: 1.5rem !important; }
.login .ms-2 { margin-left: 0.5rem !important; }
.login .gap-1 { gap: 0.25rem !important; }
.login .gap-2 { gap: 0.5rem !important; }

@media (min-width: 768px) {
    .login .p-md-4 { padding: 1.5rem !important; }
    .login .p-md-5 { padding: 3rem !important; }
}

/* Typography */
.login .fs-3 { font-size: 1.75rem !important; }
.login .fs-4 { font-size: 1.5rem !important; }
.login .fw-medium { font-weight: 500 !important; }
.login .fw-semibold { font-weight: 600 !important; }
.login .fw-bold { font-weight: 700 !important; }
.login .fst-italic { font-style: italic !important; }
.login .text-center { text-align: center !important; }
.login .text-decoration-none { text-decoration: none !important; }
.login .small { font-size: 0.875rem !important; }
.login .lh-sm { line-height: 1.25 !important; }

/* Colors & Background */
.login .text-white { color: #fff !important; }
.login .text-white-50 { color: rgba(255,255,255,0.5) !important; }
.login .text-dark { color: #1e293b !important; }
.login .bg-white { background-color: #fff !important; }
.login .bg-opacity-10 { background-color: rgba(255,255,255,0.1) !important; }

/* Border & Radius */
.login .rounded-3 { border-radius: 0.5rem !important; }
.login .rounded-pill { border-radius: 50rem !important; }
.login .rounded-circle { border-radius: 50% !important; }
.login .border-2 { border-width: 2px !important; }
.login .overflow-hidden { overflow: hidden !important; }

/* Custom Theme Classes */
.login .rounded-xl { border-radius: var(--radius-xl, 24px) !important; }
.login .rounded-lg { border-radius: var(--radius-lg, 16px) !important; }
.login .shadow-lg-custom { box-shadow: var(--shadow-lg, 0 20px 60px rgba(0,0,0,0.2)) !important; }

.login .font-display { font-family: var(--font-display, 'Outfit', sans-serif) !important; }
.login .text-primary-navy { color: var(--primary-navy, #0b2564) !important; }
.login .text-primary-blue { color: var(--primary-blue, #1d3989) !important; }
.login .text-accent-gold { color: var(--accent-gold, #d4a739) !important; }
.login .text-medium-gray { color: var(--medium-gray, #94a3b8) !important; }
.login .bg-off-white { background-color: var(--off-white, #f8fafc) !important; }
.login .bg-gradient-primary { background: var(--gradient-primary, linear-gradient(135deg, #0b2564 0%, #1d3989 100%)) !important; }

/* ===== Background ===== */
.login-bg-image {
    background: url('https://cdn.istanbul.edu.tr/FileHandler.ashx?f=FJ7n65-TXk-tiJ7TFL2TnA') center center / cover no-repeat;
}

.login-bg-overlay {
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.92) 0%, rgba(241, 245, 249, 0.88) 100%);
    backdrop-filter: blur(3px);
}

/* ===== Login Page Base ===== */
.login {
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
}

/* ===== Login Card Animation ===== */
.login-card {
    animation: cardSlideUp 0.8s ease-out;
    max-width: 1100px;
    width: 100%;
}

@keyframes cardSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Form Section ===== */
.login-form-section {
    flex: 1 1 50%;
    min-width: 380px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 3rem;
    background: #fff;
}

@media (max-width: 991.98px) {
    .login-form-section {
        min-width: auto;
        padding: 2rem;
    }
}

/* ===== Form Card ===== */
.form-card {
    border: 1px solid var(--light-gray, #e2e8f0);
    max-width: 340px;
    width: 100%;
}

/* ===== Input Styles for Login ===== */
.login .form-control {
    border-color: var(--light-gray, #e2e8f0) !important;
    transition: all 0.2s ease;
    height: auto !important;
    padding: 0.75rem 1rem 0.75rem 3rem !important;
    font-size: 1.5rem !important;
    border-radius: 0.5rem !important;
    border-width: 2px !important;
    box-shadow: none !important;
}

.login .form-control:focus {
    border-color: var(--primary-blue, #1d3989) !important;
    box-shadow: 0 0 0 3px rgba(29, 57, 137, 0.15) !important;
    outline: none;
}

.login .form-control::placeholder {
    color: var(--medium-gray, #94a3b8);
}

/* Input Icons */
.login .position-relative .bi {
    font-size: 1rem;
    z-index: 2;
}

/* ===== Login Button ===== */
.btn-login {
    background: var(--gradient-primary, linear-gradient(135deg, #0b2564 0%, #1d3989 100%)) !important;
    border: none !important;
    color: #fff !important;
    font-weight: 600 !important;
    font-family: var(--font-display, 'Outfit', sans-serif) !important;
    letter-spacing: 0.5px;
    transition: all 0.2s ease;
    padding: 0.75rem 1.5rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.5rem !important;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-blue, 0 4px 20px rgba(11, 37, 100, 0.3)) !important;
    color: #fff !important;
}

.btn-login:active {
    transform: translateY(0);
    color: #fff !important;
}

.btn-login:focus {
    color: #fff !important;
    box-shadow: 0 0 0 3px rgba(29, 57, 137, 0.3) !important;
}

.btn-login:disabled {
    opacity: 0.7;
    transform: none;
    color: #fff !important;
}

/* ===== Info Section (Sağ Panel) ===== */
.info-section {
    flex: 1 1 50%;
    min-width: 500px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

@media (max-width: 991.98px) {
    .info-section {
        min-width: auto;
        display: none !important;
    }
}

/* Info Slogan */
.info-slogan {
    border-left: 3px solid var(--accent-gold, #d4a739);
    color: var(--accent-gold-light, #f0c85a) !important;
    font-style: italic;
    padding-left: 1rem;
}

/* Decorative Circles */
.decorative-circle {
    pointer-events: none;
}

/* ===== Alert Animation ===== */
.login .alert {
    animation: alertSlideIn 0.3s ease-out;
}

@keyframes alertSlideIn {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== Links ===== */
.login a {
    color: var(--primary-blue, #1d3989) !important;
    text-decoration: none !important;
    transition: color 0.2s ease;
}

.login a:hover {
    color: var(--primary-navy, #0b2564) !important;
    text-decoration: none !important;
}

/* ===== Responsive Fixes ===== */
@media (max-width: 575.98px) {
    .login-form-section {
        padding: 1.5rem;
    }
    
    .login .fs-4 {
        font-size: 1.25rem !important;
    }
}