/* Modern Styles for Challenge Kerviler - Enhanced Nautical Version */
:root {
    --primary-color: #0b2545; /* Deep Navy */
    --primary-light: #134074;
    --primary-extra-light: #eef4f9;
    --secondary-color: #f7810f; /* Original Orange */
    --accent-color: #8da9c4; /* Soft Steel Blue */
    --bg-color: #f8fafc;
    --text-color: #1e293b;
    --text-light: #64748b;
    --white: #ffffff;
    --success: #10b981;
    --error: #ef4444;
    --shadow: 0 4px 20px rgba(0,0,0,0.06);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    margin: 0;
    font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

/* Header & Navigation */
header {
    background: var(--white);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo img {
    max-height: 95px;
    transition: var(--transition);
}

.logo img:hover {
    transform: translateY(-2px);
}

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

.user-info .sais3 {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.1em;
    letter-spacing: -0.02em;
}

.user-info a {
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 0.8em;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 8px 16px;
    border: 2px solid var(--secondary-color);
    border-radius: 6px;
    transition: var(--transition);
}

.user-info a:hover {
    background: var(--secondary-color);
    color: white;
}

/* Nav Menu */
#conteneurmenu {
    display: flex;
    flex-wrap: wrap;
    background: var(--primary-color);
    padding: 0 10px;
    margin: 15px 0 0 0;
    list-style: none;
    justify-content: center;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    visibility: visible !important;
    flex-direction: row; /* Force horizontal layout */
}

.menu {
    position: relative;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    background: transparent !important;
    width: auto !important;
    display: block !important;
}

.menu > a {
    color: rgba(255,255,255,0.9) !important;
    padding: 18px 24px !important;
    display: block !important;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

.menu:hover > a {
    background: rgba(255,255,255,0.08) !important;
    color: white !important;
    border-bottom-color: var(--secondary-color);
}

/* Dropdown Submenu */
.ssmenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
    list-style: none;
    padding: 10px 0;
    margin: 0;
    min-width: 250px;
    z-index: 1000;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    border-top: 4px solid var(--secondary-color);
    visibility: visible !important;
}

.menu:hover .ssmenu {
    display: block !important;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.ssmenu li a {
    color: var(--primary-color) !important;
    padding: 12px 25px !important;
    font-weight: 500;
    font-size: 0.85em;
    display: block;
    text-decoration: none;
    transition: var(--transition);
}

.ssmenu li a:hover {
    background: var(--primary-extra-light) !important;
    color: var(--secondary-color) !important;
    padding-left: 30px !important;
}

/* Main Content Area */
.main-card {
    background: var(--white);
    padding: 50px;
    margin: 40px 0;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(0,0,0,0.03);
}

.content-area {
    color: var(--text-color);
}

.main-card h1, .main-card h2, .main-card h3 {
    color: var(--primary-color);
    margin-top: 0;
    font-weight: 800;
    letter-spacing: -0.02em;
}

/* Footer */
footer {
    background: var(--white);
    text-align: center;
    padding: 60px 0;
    font-size: 0.9em;
    color: var(--text-light);
    border-top: 1px solid rgba(0,0,0,0.05);
    margin-top: 80px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.footer-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--secondary-color);
    transform: translateY(-1px);
}

.footer-bottom {
    font-size: 0.8em;
    color: var(--text-light);
    opacity: 0.6;
}

.footer-bottom a {
    color: inherit;
    text-decoration: none;
    margin: 0 10px;
}

/* Forms & Auth */
.auth-card {
    max-width: 480px;
    margin: 80px auto;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    font-size: 0.9em;
    color: var(--primary-color);
}

input[type="text"], 
input[type="password"], 
input[type="email"], 
select, 
textarea {
    padding: 14px 18px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    width: 100%;
    box-sizing: border-box;
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
    background: #f8fafc;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    background: white;
    box-shadow: 0 0 0 4px rgba(19, 64, 116, 0.1);
}

input[type="submit"], 
input[type="button"], 
button {
    background: var(--primary-color);
    color: white;
    padding: 14px 30px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.9em;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    width: 100%;
}

input[type="submit"]:hover, 
input[type="button"]:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(11, 37, 69, 0.15);
}

.error-message {
    background-color: #fef2f2;
    color: #b91c1c;
    padding: 16px;
    border-radius: 8px;
    border-left: 5px solid #ef4444;
    margin-bottom: 30px;
    text-align: center;
    font-weight: 600;
    font-size: 0.9em;
}

/* Contact List Layout */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.contact-card {
    background: #f8fafc;
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid #e2e8f0;
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--primary-light);
}

.contact-card h4 {
    margin: 0 0 15px 0;
    color: var(--primary-color);
    font-size: 1.2em;
}

.contact-info-item {
    display: flex;
    margin-bottom: 10px;
    font-size: 0.9em;
}

.contact-info-label {
    font-weight: 700;
    width: 100px;
    color: var(--text-light);
}

.btn-secondary {
    background: var(--white) !important;
    color: var(--primary-color) !important;
    border: 2px solid var(--primary-color) !important;
    padding: 12px 25px;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--primary-color) !important;
    color: white !important;
}

.popup-body {
    background: white;
}

.popup-body .container {
    max-width: 100%;
    padding: 20px;
}

.popup-body .main-card {
    margin: 0;
    box-shadow: none;
    padding: 20px;
}

/* Page text styling */
.page-text {
    font-size: 1.05rem;
    line-height: 1.8;
}

.sais6b {
    text-align: justify;
}

.page-text img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 20px 0;
}

/* Modern Table for Data Lists */
.modern-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 0.9em;
}

.modern-table th {
    background-color: var(--primary-extra-light);
    color: var(--primary-color);
    text-align: left;
    padding: 15px;
    font-weight: 700;
    border-bottom: 2px solid var(--primary-light);
}

.modern-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #edf2f7;
}

.modern-table tr:hover {
    background-color: #f8fafc;
}

.btn-small {
    display: inline-block;
    padding: 6px 12px;
    background: var(--primary-color);
    color: white !important;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.85em;
    font-weight: 600;
    transition: var(--transition);
}

.btn-small:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
}

/* Mobile Responsiveness */
.mobile-menu-toggle {
    display: none;
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .mobile-menu-toggle {
        display: block;
        background: var(--primary-color);
        color: white;
        width: 100%;
        padding: 18px;
        border: none;
        text-align: center;
        font-weight: 700;
        cursor: pointer;
        border-radius: var(--border-radius);
        margin-top: 15px;
        text-transform: uppercase;
        letter-spacing: 0.1em;
    }

    .header-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .user-info {
        width: 100%;
        justify-content: center;
    }
    
    #conteneurmenu {
        display: none;
        flex-direction: column;
        margin-top: 5px;
        border-radius: 0 0 var(--border-radius) var(--border-radius);
    }

    #conteneurmenu.active {
        display: flex;
    }
    
    .menu {
        width: 100% !important;
    }
    
    .menu > a {
        padding: 15px 20px !important;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    
    .ssmenu {
        position: static;
        width: 100%;
        box-shadow: none;
        border-top: none;
        background: rgba(0,0,0,0.1);
        display: none;
    }
    
    .menu:hover .ssmenu,
    .menu:focus-within .ssmenu {
        display: block !important;
    }
    
    .ssmenu li a {
        padding-left: 40px !important;
        color: white !important;
    }
    
    .main-card {
        padding: 30px 20px;
    }
}