/* ================================================
   EUREKA 2026 — skin.advanced.css
   Palette : #003CF6 (primary) | #043377 (secondary)
   ================================================ */

/* ------------------------------------------------
   1. VARIABLES & BASE
   ------------------------------------------------ */
:root {
    --color-primary:        #003CF6;
    --color-primary-dark:   #002DB8;
    --color-primary-light:  #3B6BFF;
    --color-secondary:      #043377;
    --color-secondary-dark: #021F4D;
    --color-accent:         #00D4FF;
    --color-surface:        #F0F4FF;
    --color-surface-2:      #E6ECFF;
    --color-white:          #FFFFFF;
    --color-text:           #010F2E;
    --color-text-muted:     #4A5578;
    --color-border:         rgba(0, 60, 246, 0.15);
    --radius:               8px;
    --shadow-sm:            0 2px 8px  rgba(0, 60, 246, 0.10);
    --shadow-md:            0 6px 24px rgba(0, 60, 246, 0.16);
    --transition:           200ms cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Segoe UI', Arial, Helvetica, sans-serif;
    background-color: var(--color-surface);
    color: var(--color-text);
    font-size: 20px;
    line-height: 1.8;
}

/* ------------------------------------------------
   2. HEADER principal
   ------------------------------------------------ */
header#header {
    background-color: var(--color-primary);
    background-image:
        radial-gradient(ellipse 70% 50% at 80% -10%,
            var(--color-primary-light) 0%, transparent 55%),
        linear-gradient(160deg,
            var(--color-primary) 0%,
            var(--color-secondary) 100%);
    border-bottom: 1px solid rgba(255,255,255,0.10);
    box-shadow: var(--shadow-md);
}

header#header .titlehead_site,
header#header .navbar-brand {
    color: #FFFFFF !important;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* ------------------------------------------------
   3. LOGO CIRCULAIRE
   ------------------------------------------------ */
header#header .logo,
header#header .navbar-brand {
    background: transparent !important;
    padding: 4px !important;
    border-radius: 50% !important;
    display: inline-flex !important;
    align-items: center !important;
}

header#header .logo img,
header#header .navbar-brand img,
.logo img {
    border-radius: 50% !important;
    object-fit: cover !important;
    width: 180px !important;
    height: 180px !important;
    background-color: transparent !important;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.25);
    display: block !important;
}

/* ------------------------------------------------
   4. HERO BANNER
   ------------------------------------------------ */
header#header #hero-banner {
    background: var(--color-secondary);
    background-image:
        radial-gradient(circle at 12% 50%,
            rgba(0, 212, 255, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 88% 30%,
            rgba(0, 60, 246, 0.30) 0%, transparent 55%),
        linear-gradient(135deg,
            var(--color-secondary-dark) 0%,
            var(--color-secondary)      55%,
            #0A3F8F                     100%);
    padding: 3rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

header#header #hero-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(0deg,
            transparent, transparent 56px,
            rgba(255,255,255,0.025) 56px, rgba(255,255,255,0.025) 57px),
        repeating-linear-gradient(90deg,
            transparent, transparent 56px,
            rgba(255,255,255,0.025) 56px, rgba(255,255,255,0.025) 57px);
    pointer-events: none;
}

header#header #hero-banner h1,
header#header #hero-banner h2,
header#header #hero-banner .titlehead {
    color: #FFFFFF;
    font-size: clamp(1.6rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.15;
    text-shadow: 0 2px 20px rgba(0,0,0,0.25);
}

header#header #hero-banner p,
header#header #hero-banner .conference-dates,
header#header #hero-banner .conference-lieu {
    color: rgba(255,255,255,0.70);
    font-size: 1rem;
    font-weight: 300;
}

/* ------------------------------------------------
   5. NAVIGATION
   ------------------------------------------------ */
.sidebar-nav > ul > li > a,
.sidebar-nav > ul > li ul a,
.sidebar-nav > ul > li.active > a {
    background: var(--color-secondary);
    color: #FFFFFF !important;
    text-decoration: none;
    transition: background var(--transition);
}

.sidebar-nav > ul > li:hover > a,
.sidebar-nav > ul > li.active:hover > a,
.sidebar-nav > ul > li ul a:hover,
.dropdown-submenu:hover > a {
    background: var(--color-primary) !important;
    color: #FFFFFF !important;
}

.nav .dropdown-toggle .caret,
.nav .dropdown-toggle:hover .caret,
.nav-tabs .active .dropdown-toggle .caret {
    border-top-color: #FFFFFF;
    border-bottom-color: #FFFFFF;
}

.navbar {
    background-color: var(--color-secondary) !important;
    border: none;
    box-shadow: none;
}

.navbar-nav > li > a {
    color: rgba(255,255,255,0.80) !important;
    transition: color var(--transition), background var(--transition);
}

.navbar-nav > li > a:hover,
.navbar-nav > li.active > a {
    color: #FFFFFF !important;
    background-color: rgba(255,255,255,0.12) !important;
}

/* ------------------------------------------------
   6. CONTENU PRINCIPAL
   ------------------------------------------------ */
#page,
#container,
.corps {
    background-color: var(--color-white);
}

#container {
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius);
    overflow: hidden;
}

/* CORRECTION TAILLE POLICE PAGES */
#page p,
.corps p,
.widget-content p {
    font-size: 20px !important;
    line-height: 1.8 !important;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

#page strong,
.corps strong,
#page b,
.corps b {
    font-size: 20px !important;
    color: var(--color-text);
}

#page span,
.corps span {
    font-size: 20px !important;
}

#page td,
.corps td {
    font-size: 20px;
    line-height: 1.8;
}

/* ------------------------------------------------
   7. TITRES
   ------------------------------------------------ */
h1, h2, h3, h4 {
    color: var(--color-secondary);
    letter-spacing: -0.015em;
    line-height: 1.25;
}

h1 { font-size: 2rem;    }
h2 { font-size: 1.6rem;  }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }

.titlehead,
.popuphead,
.titlehead_site {
    color: var(--color-secondary);
    font-size: 1.5rem;
    font-weight: 700;
}

/* ------------------------------------------------
   8. LIENS
   ------------------------------------------------ */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* ------------------------------------------------
   9. WIDGETS
   ------------------------------------------------ */
.widget-header {
    background: var(--color-primary);
    color: #FFFFFF;
    font-size: 20px;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: var(--radius) var(--radius) 0 0;
}

.widget {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.widget-content {
    padding: 0.75rem 1rem;
    background: var(--color-white);
    font-size: 20px;
}

.widget .widget-content h3 .label-default {
    background-color: var(--color-primary);
}

/* ------------------------------------------------
   10. LISTES
   ------------------------------------------------ */
#page ul,
.corps ul,
.widget-content ul {
    list-style: none;
    padding-left: 0;
}

#page ul li,
.corps ul li,
.widget-content ul li {
    position: relative;
    padding-left: 1.1rem;
    margin-bottom: 0.4rem;
    color: var(--color-text-muted);
    font-size: 20px;
    line-height: 1.8;
}

#page ul li::before,
.corps ul li::before,
.widget-content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--color-primary);
}

/* ------------------------------------------------
   11. BOUTONS
   ------------------------------------------------ */
.btn,
input[type="submit"],
button[type="submit"] {
    font-weight: 500;
    font-size: 20px;
    border-radius: 999px;
    transition: all var(--transition);
    cursor: pointer;
}

.btn-primary,
input[type="submit"] {
    background-color: var(--color-primary) !important;
    border-color:     var(--color-primary) !important;
    color: #FFFFFF !important;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover,
input[type="submit"]:hover {
    background-color: var(--color-primary-dark) !important;
    border-color:     var(--color-primary-dark) !important;
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-default {
    background-color: var(--color-surface-2);
    border-color:     var(--color-border);
    color: var(--color-primary);
}

.btn-default:hover {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

/* ------------------------------------------------
   12. FORMULAIRES
   ------------------------------------------------ */
input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.5rem 0.875rem;
    font-size: 20px;
    transition: border-color var(--transition), box-shadow var(--transition);
    background-color: var(--color-white);
    color: var(--color-text);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 60, 246, 0.10);
}

/* ------------------------------------------------
   13. TABLEAUX
   ------------------------------------------------ */
table {
    width: 100%;
    border-collapse: collapse;
}

table th {
    background-color: var(--color-secondary);
    color: #FFFFFF;
    font-weight: 600;
    padding: 0.65rem 1rem;
    text-align: left;
    font-size: 20px;
}

table td {
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 20px;
    line-height: 1.7;
}

table tr:hover td {
    background-color: var(--color-surface);
}

/* ------------------------------------------------
   14. LABELS / BADGES Bootstrap
   ------------------------------------------------ */
.label-primary,
.badge {
    background-color: var(--color-primary);
}

.label-info {
    background-color: var(--color-accent);
    color: var(--color-secondary);
}

.label-default {
    background-color: var(--color-secondary);
}

/* ------------------------------------------------
   15. ALERTS
   ------------------------------------------------ */
.alert-info {
    background-color: var(--color-surface-2);
    border-color: var(--color-primary);
    color: var(--color-secondary);
    font-size: 20px;
}

.alert-success {
    background-color: #ECFDF5;
    border-color: #10B981;
    color: #065F46;
    font-size: 20px;
}

/* ------------------------------------------------
   16. PIED DE PAGE
   ------------------------------------------------ */
footer,
#footer {
    background-color: var(--color-secondary-dark);
    color: rgba(255,255,255,0.70);
    padding: 2rem;
    margin-top: 2rem;
    font-size: 20px;
}

footer a,
#footer a {
    color: var(--color-accent);
}

footer a:hover,
#footer a:hover {
    color: #FFFFFF;
    text-decoration: none;
}

.pieddepage {
    text-align: center;
    font-size: 20px;
    font-weight: 600;
    color: rgba(255,255,255,0.85);
    margin-bottom: 0.5rem;
}

.rgpd {
    text-align: center;
    font-size: 15px;
    color: rgba(255,255,255,0.50);
}

/* ------------------------------------------------
   17. RESPONSIVE
   ------------------------------------------------ */
@media (max-width: 768px) {
    header#header #hero-banner {
        padding: 2rem 1rem;
    }

    header#header #hero-banner h1,
    header#header #hero-banner .titlehead {
        font-size: 1.5rem;
    }

    header#header .logo img,
    header#header .navbar-brand img {
        width: 44px !important;
        height: 44px !important;
    }

    #container {
        border-radius: 0;
    }

    table th, table td {
        padding: 0.4rem 0.5rem;
        font-size: 15px;
    }
}

/* ------------------------------------------------
   18. SELECTION & SCROLLBAR
   ------------------------------------------------ */
::selection {
    background: rgba(0, 60, 246, 0.15);
    color: var(--color-secondary);
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-surface); }
::-webkit-scrollbar-thumb {
    background: var(--color-primary-light);
    border-radius: 99px;
}