/* ========== 1. ΒΑΣΙΚΕΣ ΜΕΤΑΒΛΗΤΕΣ & RESET ΜΕ ΧΑΡΑΚΤΗΡΑ ========== */
:root {
    --primary: #b9583c;        /* terra cotta – ζεστό, ανθρώπινο */
    --primary-dark: #94462e;
    --secondary: #6b4e3a;
    --success: #2f7d5c;
    --danger: #d34b4b;
    --warning: #e6a017;
    --light: #fef7e8;
    --dark: #2a241f;
    --border: #e2dcd5;
    --star-gold: #f5b042;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
}

body {
    background: #fdf7ed;
    background-image: radial-gradient(circle at 25% 40%, rgba(185, 88, 60, 0.03) 1.5px, transparent 1.5px),
                      radial-gradient(circle at 75% 80%, rgba(107, 78, 58, 0.03) 1px, transparent 1px);
    background-size: 40px 40px, 32px 32px;
    min-height: 100vh;
    color: var(--dark);
    line-height: 1.5;
    scroll-behavior: smooth;
}

/* custom scrollbar με χαρακτήρα */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
::-webkit-scrollbar-track {
    background: #ece3d9;
    border-radius: 20px;
}
::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 20px;
    border: 2px solid #ece3d9;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== 2. ΚΕΦΑΛΙΔΑ (HEADER) ΜΕ BLUR & ΕΛΕΓΑΝΤΙΚΟ SHADOW ========== */
header {
    background: rgba(255, 250, 242, 0.92);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04), 0 2px 4px rgba(0, 0, 0, 0.02);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(226, 220, 213, 0.6);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.2s ease;
}
.logo:hover {
    transform: scale(1.02);
}
.logo i {
    font-size: 2rem;
    filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.1));
}

.user-info {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.user-badge {
    background: var(--primary);
    color: white;
    padding: 8px 18px;
    border-radius: 60px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}
.user-badge:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04), 0 2px 4px rgba(0, 0, 0, 0.02);
}

/* ========== 3. ΣΕΛΙΔΕΣ (PAGES) ========== */
.page {
    display: none;
    padding: 48px 0;
    min-height: 70vh;
    animation: fadeSlideUp 0.4s ease-out;
}
.page.active {
    display: block;
}
@keyframes fadeSlideUp {
    0% { opacity: 0; transform: translateY(16px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* ========== 4. ΚΟΥΜΠΙΑ (BUTTONS) ========== */
.btn {
    padding: 12px 28px;
    border: none;
    border-radius: 48px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.25s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    text-decoration: none;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(185, 88, 60, 0.2);
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 22px -8px rgba(185, 88, 60, 0.4);
}
.btn-primary:active {
    transform: translateY(1px);
}

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}
.btn-secondary:hover {
    background: #fff5ed;
    transform: translateY(-2px);
    border-color: var(--primary-dark);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04), 0 2px 4px rgba(0, 0, 0, 0.02);
}

.btn-danger {
    background: var(--danger);
    color: white;
    box-shadow: 0 4px 10px rgba(211, 75, 75, 0.2);
}
.btn-danger:hover {
    background: #c13c3c;
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(211, 75, 75, 0.3);
}

/* ========== 5. HERO SECTION (ΑΡΧΙΚΗ) ========== */
.hero {
    padding: 60px 0;
    text-align: center;
    position: relative;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 10%;
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #e8b3a0, var(--primary), #e8b3a0, transparent);
    border-radius: 100%;
    opacity: 0.5;
}
.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    background: linear-gradient(125deg, #b9583c, #aa6e4a, #d49c6c);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
    font-weight: 800;
}
.hero p {
    font-size: 1.25rem;
    color: var(--secondary);
    max-width: 600px;
    margin: 0 auto 30px;
    line-height: 1.6;
}
.action-buttons {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin: 40px 0;
    flex-wrap: wrap;
}

/* ========== 6. ΚΑΡΤΕΣ ΔΗΜΟΠΡΑΣΙΩΝ (AUCTION CARDS) ========== */
.auctions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
    gap: 32px;
    margin: 48px 0;
}

.auction-card {
    background: #fffaf2;
    border-radius: 32px;
    overflow: hidden;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.02);
    transition: all 0.35s cubic-bezier(0.15, 0.85, 0.35, 1);
    cursor: pointer;
    border: 1px solid rgba(226, 220, 213, 0.6);
    transform: translateY(0);
}
.auction-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 40px -12px rgba(0, 0, 0, 0.25);
    border-color: #e8b3a0;
}
.auction-image {
    height: 210px;
    overflow: hidden;
    background: #f3ede5;
}
.auction-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}
.auction-card:hover .auction-image img {
    transform: scale(1.05);
}
.auction-content {
    padding: 24px;
}
.auction-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
    letter-spacing: -0.3px;
}
.auction-price {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--success);
    margin: 12px 0;
    letter-spacing: -0.5px;
}
.auction-meta {
    display: flex;
    justify-content: space-between;
    color: var(--secondary);
    font-size: 0.85rem;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px dashed var(--border);
}

/* ========== 7. ΦΟΡΜΕΣ (FORMS) ========== */
.create-form {
    background: #fffaf2;
    border-radius: 40px;
    padding: 48px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid rgba(226, 220, 213, 0.8);
}

.form-group {
    margin-bottom: 28px;
}
.form-label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--dark);
    font-size: 0.95rem;
    letter-spacing: -0.2px;
}
.form-control {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border);
    border-radius: 24px;
    font-size: 1rem;
    transition: all 0.2s;
    background: white;
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(185, 88, 60, 0.15);
}
textarea.form-control {
    min-height: 130px;
    resize: vertical;
}
.upload-area {
    border: 2px dashed var(--border);
    border-radius: 28px;
    padding: 36px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s;
    background: #fffcf7;
}
.upload-area:hover {
    border-color: var(--primary);
    background: #fff7ef;
    transform: scale(0.99);
}

/* ========== 8. ΣΕΛΙΔΑ ΛΕΠΤΟΜΕΡΕΙΩΝ ΔΗΜΟΠΡΑΣΙΑΣ ========== */
.auction-detail {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 44px;
    margin-bottom: 60px;
}

@media (max-width: 1024px) {
    .auction-detail {
        grid-template-columns: 1fr;
    }
}

.gallery {
    background: #fffaf2;
    border-radius: 40px;
    overflow: hidden;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.02);
}

.main-image {
    width: 100%;
    height: 420px;
    overflow: hidden;
    background: #faf5ea;
}
.main-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #faf5ea;
    padding: 24px;
    transition: transform 0.3s;
}

.thumbnails {
    display: flex;
    gap: 12px;
    padding: 20px;
    background: #fffaf2;
    border-top: 1px solid var(--border);
    overflow-x: auto;
}
.thumbnail {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    cursor: pointer;
    opacity: 0.7;
    transition: all 0.2s;
    object-fit: cover;
    border: 2px solid transparent;
}
.thumbnail:hover,
.thumbnail.active {
    opacity: 1;
    border-color: var(--primary);
    transform: scale(1.02);
}

.description-card {
    background: #fffaf2;
    border-radius: 32px;
    padding: 28px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.02);
    margin-top: 30px;
}

.price-card {
    background: #fffaf2;
    border-radius: 32px;
    padding: 28px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.02);
    margin-bottom: 28px;
    border: 1px solid var(--border);
}

.auction-status {
    display: inline-block;
    padding: 6px 15px;
    border-radius: 60px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 15px;
}
.status-active {
    background: var(--success);
    color: white;
}
.status-ended {
    background: var(--danger);
    color: white;
}

.price-info {
    margin: 20px 0;
}
.price-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}
.price-row:last-child {
    border-bottom: none;
}
.price-label {
    color: var(--secondary);
}
.price-value {
    font-weight: 600;
    color: var(--dark);
}
.current-price {
    color: var(--success);
    font-size: 2rem;
}

.countdown {
    background: #fff1e4;
    padding: 18px;
    border-radius: 60px;
    text-align: center;
    font-weight: 700;
    font-family: monospace;
    font-size: 1.3rem;
    letter-spacing: 1px;
    margin: 20px 0;
}

.bid-form-card {
    background: #fffaf2;
    border-radius: 32px;
    padding: 28px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.02);
    margin-bottom: 28px;
    border: 1px solid var(--border);
}

.bid-input {
    position: relative;
    margin: 20px 0;
}
.bid-input input {
    width: 100%;
    padding: 16px 20px 16px 48px;
    border: 2px solid var(--border);
    border-radius: 60px;
    font-size: 1.2rem;
    font-weight: 600;
}
.bid-input .currency {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    color: var(--primary);
    font-weight: 600;
}

.seller-card {
    background: #fffaf2;
    border-radius: 32px;
    padding: 28px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.02);
    margin-bottom: 28px;
    border: 1px solid var(--border);
}
.seller-info {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 15px;
}
.seller-avatar {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), #b97a5c);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.bids-card {
    background: #fffaf2;
    border-radius: 32px;
    padding: 28px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.02);
}
.bids-list {
    max-height: 300px;
    overflow-y: auto;
    margin-top: 15px;
}
.bid-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}
.bid-item:last-child {
    border-bottom: none;
}

/* ========== 9. ΦΙΛΤΡΑ ΑΝΑΖΗΤΗΣΗΣ ========== */
.filters {
    background: rgba(255, 250, 242, 0.8);
    backdrop-filter: blur(8px);
    padding: 24px 28px;
    border-radius: 60px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04), 0 2px 4px rgba(0, 0, 0, 0.02);
    margin-bottom: 40px;
    border: 1px solid rgba(226, 220, 213, 0.7);
}
.filter-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: end;
}
.filter-grid select,
.filter-grid input {
    border-radius: 40px;
    padding: 10px 18px;
    border: 1px solid var(--border);
    background: white;
}

/* ========== 10. FOOTER ========== */
footer {
    background: #2e2823;
    color: #f0e6da;
    padding: 48px 0 32px;
    margin-top: 80px;
    border-top-left-radius: 48px;
    border-top-right-radius: 48px;
}
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}
.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #e2cfbc;
}
.footer-section ul {
    list-style: none;
}
.footer-section ul li {
    margin-bottom: 10px;
}
.footer-section ul li a {
    color: #cbbcaa;
    text-decoration: none;
    transition: color 0.2s;
}
.footer-section ul li a:hover {
    color: white;
    text-decoration: underline wavy #e8b3a0;
}
.copyright {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #4e3f34;
    color: #cbbcaa;
    font-size: 0.9rem;
}

/* ========== 11. MODALS (ΑΝΑΔΥΟΜΕΝΑ ΠΑΡΑΘΥΡΑ) ========== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(30, 24, 20, 0.6);
    backdrop-filter: blur(6px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}
.modal-content {
    background: #fffaf2;
    border-radius: 48px;
    padding: 32px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(255,255,240,0.3);
    animation: modalPop 0.3s cubic-bezier(0.34, 1.2, 0.64, 1);
}
@keyframes modalPop {
    from { opacity: 0; transform: scale(0.96); }
    to { opacity: 1; transform: scale(1); }
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.close-modal {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--secondary);
}

/* ========== 12. RESPONSIVE DESIGN (ΚΙΝΗΤΑ) ========== */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.4rem;
    }
    .action-buttons {
        flex-direction: column;
        align-items: center;
    }
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    .auctions-grid {
        grid-template-columns: 1fr;
    }
    .create-form {
        padding: 28px;
    }
    .main-image {
        height: 300px;
    }
}

/* ========== 13. ΒΟΗΘΗΤΙΚΑ ΣΤΥΛ (LOADING, ERROR, SOCIAL BADGES) ========== */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--secondary);
    font-size: 1.2rem;
}
.loading i {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--primary);
}
.auth-buttons {
    display: flex;
    gap: 10px;
}
.auth-form {
    background: #fffaf2;
    border-radius: 32px;
    padding: 40px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.02);
    max-width: 400px;
    margin: 40px auto;
}
.image-preview-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
    margin-top: 15px;
}
.preview-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.preview-image img {
    width: 100px;
    height: 100px;
    object-fit: cover;
}
.image-number {
    position: absolute;
    top: 5px;
    right: 5px;
    background: rgba(0,0,0,0.7);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}
.error-message {
    background-color: #fee;
    border-left: 4px solid #e53e3e;
    padding: 12px 15px;
    margin: 15px 0;
    border-radius: 12px;
    color: #c53030;
    display: none;
}
.success-message {
    background-color: #f0fff4;
    border-left: 4px solid #38a169;
    padding: 12px 15px;
    margin: 15px 0;
    border-radius: 12px;
    color: #2f855a;
    display: none;
}
.social-id-badge {
    background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045);
    color: white;
    padding: 4px 12px;
    border-radius: 30px;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-left: 10px;
    text-decoration: none;
}
.social-id-badge a {
    color: white;
    text-decoration: none;
}
.social-id-badge a:hover {
    text-decoration: underline;
}
.social-id-input {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 10px;
    flex-wrap: wrap;
}
.social-id-input select,
.social-id-input input {
    flex: 1 1 200px;
    padding: 10px;
    border: 2px solid var(--border);
    border-radius: 30px;
}
.social-id-display {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    color: var(--primary);
    font-weight: 600;
}
.social-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}
.social-link:hover {
    text-decoration: underline;
}

/* ========== 14. ΣΤΥΛ ΜΗΝΥΜΑΤΩΝ ΚΑΙ ΣΥΝΟΜΙΛΙΩΝ ========== */
.message-container {
    max-height: 300px;
    overflow-y: auto;
    margin: 15px 0;
    padding: 10px;
    background: #fdf9f2;
    border-radius: 24px;
    border: 1px solid var(--border);
}
.message-bubble {
    margin-bottom: 12px;
    padding: 10px 15px;
    border-radius: 24px;
    max-width: 80%;
    word-wrap: break-word;
}
.message-sent {
    background: var(--primary);
    color: white;
    margin-left: auto;
    margin-right: 0;
    border-radius: 24px 24px 8px 24px;
}
.message-received {
    background: #f0e7dd;
    color: var(--dark);
    border: 1px solid var(--border);
    border-radius: 24px 24px 24px 8px;
}
.message-info {
    font-size: 0.8rem;
    margin-top: 5px;
    opacity: 0.8;
}
.chat-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}
.chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}
.chat-input-container {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}
.chat-input-container textarea {
    flex: 1;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 24px;
    resize: none;
    font-family: inherit;
}
.conversation-item {
    background: white;
    border: 2px solid var(--border);
    border-radius: 28px;
    padding: 20px;
    margin-bottom: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    gap: 15px;
    align-items: center;
}
.conversation-item:hover {
    border-color: var(--primary);
    background: #fef7ef;
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.02);
}
.conversation-item.unread {
    border-left: 4px solid var(--primary);
    background: #fef7ef;
}
.conversation-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), #b97a5c);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 600;
}
.conversation-content {
    flex: 1;
}
.conversation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}
.conversation-name {
    font-weight: 600;
    color: var(--dark);
    font-size: 1.1rem;
}
.conversation-time {
    color: var(--secondary);
    font-size: 0.85rem;
}
.conversation-preview {
    color: var(--secondary);
    font-size: 0.95rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.conversation-badge {
    background: var(--danger);
    color: white;
    border-radius: 50%;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}
.conversation-auction-badge {
    background: var(--success);
    color: white;
    padding: 2px 8px;
    border-radius: 30px;
    font-size: 0.75rem;
    margin-left: 8px;
}
.message-date-divider {
    text-align: center;
    margin: 20px 0;
    position: relative;
}
.message-date-divider span {
    background: #f8fafc;
    padding: 5px 15px;
    border-radius: 30px;
    color: var(--secondary);
    font-size: 0.85rem;
    border: 1px solid var(--border);
}
.info-message {
    background: #ebf8ff;
    border-left: 4px solid var(--primary);
    padding: 15px;
    border-radius: 16px;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

/* ========== 15. ΣΤΥΛ ΠΡΟΦΙΛ ========== */
.profile-card {
    background: #fffaf2;
    border-radius: 40px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
    max-width: 800px;
    margin: 0 auto;
}
.profile-header {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.profile-avatar {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary), #b97a5c);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}
.profile-info h2 {
    font-size: 2rem;
    margin-bottom: 10px;
}
.profile-info p {
    color: var(--secondary);
    margin: 5px 0;
}
.rating-summary {
    display: flex;
    align-items: center;
    gap: 15px;
    margin: 20px 0;
    padding: 15px;
    background: #fdf9f2;
    border-radius: 60px;
    flex-wrap: wrap;
}
.stars {
    display: flex;
    gap: 5px;
    font-size: 1.5rem;
    color: #cbd5e0;
}
.stars .fas.fa-star {
    color: var(--star-gold);
}
.stars .fas.fa-star-half-alt {
    color: var(--star-gold);
}
.rating-input .stars {
    cursor: pointer;
}
.rating-input .stars i:hover,
.rating-input .stars i.hover {
    color: var(--star-gold);
}
.seller-name {
    color: var(--primary);
    font-weight: 600;
    cursor: pointer;
    text-decoration: underline;
    text-decoration-color: transparent;
    transition: text-decoration-color 0.2s;
}
.seller-name:hover {
    text-decoration-color: currentColor;
}

/* ========== 16. ΕΠΙΠΛΕΟΝ ΠΙΝΕΛΙΕΣ ΧΑΡΑΚΤΗΡΑ ========== */
::selection {
    background: #e8b3a0;
    color: var(--dark);
}
a:not(.btn) {
    text-decoration-thickness: 2px;
    text-underline-offset: 6px;
    text-decoration-color: transparent;
    transition: text-decoration-color 0.2s;
}
a:not(.btn):hover {
    text-decoration-color: var(--primary);
}
body::after {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='1' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    opacity: 0.2;
    z-index: 9999;
    mix-blend-mode: overlay;
}