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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #2d3748;
    background-color: #f7fafc;
}

h1, h2, h3 {
    font-family: 'Merriweather', serif;
}

a {
    color: #1a365d;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.main-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.section {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 2.5rem;
}

.section-header {
    margin-bottom: 1.75rem;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 0.75rem;
}

.section-header h2 {
    color: #1a365d;
    font-size: 1.6rem;
    font-weight: 700;
}

/* ==========================================================================
   NAVBAR & LOGO BADGE
   ========================================================================== */
.navbar {
    background: #1a365d;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    position: relative;
}

.logo-badge {
    display: flex;
    flex-direction: column;
    border-left: 3px solid #d9383a;
    padding-left: 0.6rem;
}

.badge-main {
    font-size: 1.3rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1;
}

.badge-sub {
    font-size: 0.6rem;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.5px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 4px;
    margin-left: auto;
}

.menu-toggle .bar {
    width: 25px;
    height: 3px;
    background: #ffffff;
    border-radius: 2px;
}

.nav-links {
    list-style: none;
    margin: 0 0 0 auto;
    padding: 0;
    display: flex;
    flex-direction: row;
    gap: 1.75rem;
    align-items: center;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    font-weight: 500;
    display: inline-block;
    transition: transform 0.2s ease, color 0.2s ease, opacity 0.2s ease;
    position: relative;
    padding: 0.2rem 0;
}

.nav-links a:hover {
    color: #ffffff;
    opacity: 1;
    text-decoration: none;
    transform: translateY(-2px);
}

.nav-links a:not(.btn-login-nav)::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #d9383a;
    transition: width 0.25s ease, left 0.25s ease;
}

.nav-links a:not(.btn-login-nav):hover::after {
    width: 100%;
    left: 0;
}

/* Desktop Login Button */
.btn-login-nav {
    background: rgba(255, 255, 255, 0.12);
    padding: 0.45rem 1.1rem !important;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-weight: 600 !important;
}

.btn-login-nav:hover {
    background: #ffffff !important;
    color: #1a365d !important;
    border-color: #ffffff;
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

/* Mobile Responsive Nav & Login Reset */
@media screen and (max-width: 850px) {
    .menu-toggle {
        display: flex !important;
    }

    .nav-links {
        display: none;
        width: 100% !important;
        position: absolute;
        top: 100%;
        left: 0 !important;
        background: #1a365d;
        flex-direction: column;
        gap: 0;
    }

    .nav-links.active {
        display: flex !important;
    }

    .nav-links li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .nav-links a {
        width: 100%;
        padding: 1rem 1.75rem;
    }

    .btn-login-nav {
        background: transparent !important;
        border: none !important;
        border-radius: 0 !important;
        color: #ff6b6b !important;
        font-weight: 600 !important;
        box-shadow: none !important;
    }

    .btn-login-nav:hover {
        background: rgba(255, 255, 255, 0.05) !important;
        color: #ffffff !important;
    }
}

/* ==========================================================================
   HERO & HERO NAVIGATION BUTTONS
   ========================================================================== */
.hero {
    background: linear-gradient(rgba(15, 32, 67, 0.80), rgba(15, 32, 67, 0.92)), 
                url('images/header-bg.jpg') center/cover no-repeat;
    color: #ffffff;
    padding: 5.5rem 1.5rem 5rem 1.5rem;
    text-align: center;
}

.hero-content {
    max-width: 820px;
    margin: 0 auto;
}

.hero-tagline {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #e2e8f0;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 0.4rem 1.2rem;
    border-radius: 50px;
    margin-bottom: 1.75rem;
    backdrop-filter: blur(4px);
}

.hero h1 {
    font-size: 2.3rem;
    line-height: 1.25;
    margin-bottom: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.hero p {
    font-size: 1.05rem;
    line-height: 1.65;
    margin: 0 auto 2.25rem auto;
    max-width: 680px;
    color: rgba(255, 255, 255, 0.88);
    font-weight: 400;
}

.countdown-container {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    padding: 1.25rem;
    margin: 1.5rem auto 2.5rem auto;
    max-width: 480px;
}

.countdown-title {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.timer-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 65px;
    background: rgba(0, 0, 0, 0.25);
    padding: 0.5rem;
    border-radius: 6px;
}

.timer-box span {
    font-size: 1.6rem;
    font-weight: 700;
}

.timer-box label {
    font-size: 0.7rem;
    text-transform: uppercase;
    opacity: 0.8;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-block;
    background: #d9383a;
    color: #ffffff;
    padding: 0.85rem 2.2rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid #d9383a;
    box-shadow: 0 4px 14px rgba(217, 56, 58, 0.35);
    transition: all 0.25s ease;
}

.btn-primary:hover {
    background: #c02b2d;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(217, 56, 58, 0.5);
    text-decoration: none;
    color: #ffffff;
}

.btn-secondary {
    display: inline-block;
    background: rgba(255, 255, 255, 0.06);
    color: #ffffff;
    padding: 0.85rem 2.2rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(4px);
    transition: all 0.25s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.7);
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
    text-decoration: none;
    color: #ffffff;
}

/* ==========================================================================
   STATS BAR
   ========================================================================== */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    text-align: center;
}

.stat-num, .stat-plus {
    font-size: 2.2rem;
    font-weight: 700;
    color: #1a365d;
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: #64748b;
}

/* ==========================================================================
   FILTER BUTTONS
   ========================================================================== */
.filter-bar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.4rem 1rem;
    border-radius: 4px;
    border: 1px solid #cbd5e1;
    background: #e2e8f0;
    color: #334155;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    background: #cbd5e1;
}

.filter-btn.active {
    background: #1a365d;
    color: #ffffff;
    border-color: #1a365d;
}

/* ==========================================================================
   SPEAKERS / SCHOLARS CARDS
   ========================================================================== */
.scholars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
}

.scholar-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-left: 4px solid #1a365d;
    padding: 1.25rem;
    border-radius: 4px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.scholar-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.scholar-info h3 {
    font-size: 1.05rem;
    color: #1a365d;
    margin-bottom: 0.25rem;
    font-weight: 700;
}

.scholar-affiliation {
    display: block;
    font-size: 0.85rem;
    color: #718096;
    margin-bottom: 0.5rem;
}

.scholar-topic {
    font-size: 0.85rem;
    color: #4a5568;
    line-height: 1.4;
}

/* ==========================================================================
   CONFERENCE CARDS
   ========================================================================== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 1.5rem;
    position: relative;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.card.highlight {
    border-top: 4px solid #38a169;
}

.card-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.card-header-flex h3 {
    color: #1a365d;
    font-size: 1.1rem;
    line-height: 1.35;
    margin: 0;
}

.badge {
    position: static;
    background: #718096;
    color: #ffffff;
    font-size: 0.75rem;
    padding: 0.25rem 0.55rem;
    border-radius: 4px;
    font-weight: 600;
    white-space: nowrap;
}

.badge.upcoming {
    background: #38a169;
}

.badge.ongoing {
    background-color: #3182ce;
}

.badge.latest {
    background-color: #2b6cb0;
}

.badge.secondary {
    background: #718096;
}

.meta-item {
    font-size: 0.85rem;
    color: #4a5568;
    margin-bottom: 0.3rem;
}

.key-sessions {
    margin: 1rem 0;
    font-size: 0.85rem;
}

.key-sessions h4 {
    font-size: 0.85rem;
    color: #1a365d;
    margin-bottom: 0.4rem;
}

.key-sessions ul {
    margin-left: 1.2rem;
}

.card-downloads {
    margin-top: auto;
    padding-top: 1rem;
}

.btn-download {
    display: inline-block;
    width: 100%;
    text-align: center;
    background: #edf2f7;
    color: #1a365d;
    padding: 0.5rem 0.8rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.85rem;
    border: 1px solid #cbd5e0;
}

/* ==========================================================================
   PHOTO GALLERY & LIGHTBOX
   ========================================================================== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
}

.gallery-item {
    position: relative;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4 / 3;
    background: #e2e8f0;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(26, 54, 93, 0.75);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    font-weight: bold;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 85vh;
    border-radius: 4px;
}

.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    color: white;
    font-size: 2.5rem;
    cursor: pointer;
}

/* ==========================================================================
   MAILING LIST / SUBSCRIBE CARD
   ========================================================================== */
.newsletter-card {
    background: linear-gradient(135deg, #1a365d, #2b6cb0);
    color: #ffffff;
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.newsletter-card h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #ffffff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 0.5rem;
}

.newsletter-card p {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 1.25rem;
}

.newsletter-form {
    display: flex;
    gap: 0.75rem;
    max-width: 550px;
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 0.65rem 1rem;
    border: none;
    border-radius: 4px;
    font-size: 0.9rem;
}

.newsletter-form button {
    background: #d9383a;
    color: #ffffff;
    border: none;
    padding: 0.65rem 1.25rem;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s ease;
}

.newsletter-form button:hover {
    background: #b82c2e;
}

#subscribeResponse {
    margin-top: 0.75rem;
    font-size: 0.85rem;
}

/* ==========================================================================
   ORGANIZERS & CONTACT
   ========================================================================== */
.organizers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.organizer-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-left: 4px solid #1a365d;
    padding: 1.25rem;
    border-radius: 4px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.organizer-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.org-badge {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: #718096;
    font-weight: bold;
    margin-bottom: 0.2rem;
}

.organizer-card h3 {
    font-size: 1rem;
    color: #1a365d;
}

.org-role {
    font-size: 0.85rem;
    color: #4a5568;
}

.org-email {
    font-size: 0.85rem;
    margin-top: 0.4rem;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 2.5rem;
}

@media screen and (max-width: 768px) {
    .contact-container {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .section {
        padding: 1.5rem;
    }
}

.contact-form-wrapper {
    background: #f8fafc;
    padding: 1.8rem;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    font-size: 0.85rem;
    color: #4a5568;
}

/* Standardna input i textarea polja za kontakt formu na sajtu */
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background-color: #ffffff;
    border: 1px solid #cbd5e0;
    border-radius: 6px;
    font-size: 0.9rem;
    color: #2d3748;
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #1a365d;
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.15);
}

#submitBtn {
    width: 100%;
    padding: 0.85rem;
    background: #1a365d;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s ease;
}

#submitBtn:hover {
    background: #2b6cb0;
}

.msg-success { color: #276749; background: #c6f6d5; padding: 0.5rem; border-radius: 4px; margin-top: 1rem; }
.msg-error { color: #9b2c2c; background: #fed7d7; padding: 0.5rem; border-radius: 4px; margin-top: 1rem; }

footer {
    background: #1a365d;
    color: #ffffff;
    text-align: center;
    padding: 1.5rem;
    font-size: 0.85rem;
}

/* ==================== SESSIONS ACCORDION & SPEAKER CARDS ==================== */

.sessions-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 1000px;
    margin: 0 auto;
}

.session-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    overflow: hidden;
}

.session-card.hidden {
    display: none !important;
}

.session-card:not([open]):hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    border-color: #cbd5e0;
}

.session-card[open] {
    transform: none;
    border-color: #cbd5e0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.session-card[open] .session-body {
    grid-template-rows: 1fr;
}

.session-card[open] .session-body-inner {
    opacity: 1;
    transform: translateY(0);
    padding: 20px 24px 24px 24px;
}

summary.session-header {
    padding: 18px 24px;
    background: #ffffff;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
    user-select: none;
    border: none;
    border-left: 4px solid #1a365d;
}

summary.session-header::-webkit-details-marker,
summary.session-header::marker {
    display: none !important;
    content: "";
}

.session-title-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.session-tag {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #4a5568;
    letter-spacing: 0.8px;
}

.session-header h3 {
    margin: 0;
    font-size: 1.15rem;
    font-family: 'Georgia', serif;
    color: #1a365d;
    font-weight: 700;
    line-height: 1.3;
}

.chair-badge {
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-left: 3px solid #2b6cb0;
    padding: 6px 12px;
    border-radius: 2px;
    text-align: right;
    font-size: 0.82rem;
    white-space: nowrap;
}

.chair-label {
    display: block;
    font-size: 0.65rem;
    text-transform: uppercase;
    color: #718096;
    letter-spacing: 0.8px;
    font-weight: 700;
}

.chair-badge strong {
    color: #2d3748;
}

.session-body {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: #f8fafc;
    border-top: 1px solid #edf2f7;
}

.session-body-inner {
    overflow: hidden;
    padding: 0 24px;
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity 0.25s ease, transform 0.25s ease, padding 0.3s ease;
}

.speakers-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.speakers-list li {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-left: 4px solid #1a365d;
    border-radius: 4px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.speakers-list li:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.08);
    background: #ffffff;
}

.speaker-name {
    color: #1a365d;
    font-size: 1rem;
    font-family: 'Georgia', serif;
    font-weight: 700;
    line-height: 1.3;
}

.speaker-affil {
    display: block;
    font-size: 0.82rem;
    color: #718096;
    margin-top: 4px;
    font-family: system-ui, -apple-system, sans-serif;
    font-weight: normal;
}

.speaker-topic {
    margin: 10px 0 0 0;
    font-size: 0.85rem;
    color: #4a5568;
    line-height: 1.4;
    border-top: 1px dashed #e2e8f0;
    padding-top: 8px;
}

@media (max-width: 768px) {
    summary.session-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .chair-badge {
        text-align: left;
        width: 100%;
        white-space: normal;
        word-break: break-word;
    }
    .speakers-list {
        grid-template-columns: 1fr;
    }
	.section {
        padding: 1rem;
    }
	.card {
        padding: 1rem;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
	.card-header-flex {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
	.card-grid {
        grid-template-columns: 100%;
        gap: 1rem;
    }
	.organizers-grid {
        grid-template-columns: 100%;
        gap: 1rem;
    }
	.organizer-card {
        padding: 1rem;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
}

/* ==========================================================================
   LOGIN MODAL (IZOLOVANI STILOVI SA HERO TEMOM)
   ========================================================================== */

/* Zatamnjena pozadina iza modala */
.modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(5, 10, 25, 0.82);
  backdrop-filter: blur(6px);
}

/* Kontejner modala u boji hero sekcije */
.modal-content {
  background: linear-gradient(145deg, #162032, #0d1424);
  margin: 8% auto;
  padding: 35px 30px;
  border-radius: 12px;
  width: 90%;
  max-width: 400px;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  color: #ffffff;
}

/* Naslov u modalu */
.modal-content h2 {
  margin-top: 0;
  margin-bottom: 25px;
  color: #ffffff;
  font-size: 22px;
  font-weight: 600;
  text-align: center;
  letter-spacing: 0.3px;
}

/* Labele unutar modala */
.modal-content .form-group label {
  display: block;
  margin-bottom: 8px;
  color: #94a3b8;
  font-size: 13px;
  font-weight: 500;
}

/* Input polja ISKLJUČIVO unutar modala */
.modal-content .form-group input {
  width: 100%;
  padding: 12px 14px;
  background-color: rgba(15, 23, 42, 0.6);
  border: 1px solid #2a374a;
  border-radius: 6px;
  font-size: 14px;
  color: #ffffff;
  box-sizing: border-box;
  outline: none;
  transition: all 0.25s ease;
}

.modal-content .form-group input::placeholder {
  color: #64748b;
}

.modal-content .form-group input:focus {
  border-color: #3b82f6;
  background-color: rgba(15, 23, 42, 0.9);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Dugme za prijavu sa animacijom */
.btn-submit {
  width: 100%;
  padding: 13px;
  background-color: #d9383a;
  color: #ffffff;
  border: none;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 10px;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.btn-submit:hover {
  background-color: #be283b;
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.btn-submit:active {
  transform: translateY(-1px) scale(0.99);
}

/* Dugme X za zatvaranje modala */
.close-btn {
  position: absolute;
  right: 18px;
  top: 16px;
  font-size: 22px;
  color: #64748b;
  cursor: pointer;
  transition: color 0.2s ease;
  line-height: 1;
}

.close-btn:hover {
  color: #ffffff;
}

/* Prilagođavanje boje i providnosti placeholder teksta */
::placeholder {
    color: #999999;
    opacity: 0.5; /* Osigurava da u svim pregledačima bude diskretniji */
}