/* =========================================================
   CERTRANS - FEUILLE DE STYLE PRINCIPALE
   Version : 1.0
   ========================================================= */

/* ---------------------------------------------------------
   VARIABLES DE COULEURS
   --------------------------------------------------------- */

:root {
    --certrans-primary: #0b3d62;
    --certrans-primary-dark: #082d49;
    --certrans-secondary: #1976a8;
    --certrans-accent: #18a6a6;

    --certrans-success: #198754;
    --certrans-danger: #dc3545;
    --certrans-warning: #f0ad4e;

    --certrans-background: #f4f7fa;
    --certrans-surface: #ffffff;
    --certrans-border: #dce3e9;

    --certrans-text: #263746;
    --certrans-text-light: #6c7a86;

    --certrans-shadow: 0 10px 30px rgba(11, 61, 98, 0.10);
    --certrans-radius: 12px;
}


/* ---------------------------------------------------------
   RESET DE BASE
   --------------------------------------------------------- */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Segoe UI", Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--certrans-background);
    color: var(--certrans-text);
    line-height: 1.6;
}


/* ---------------------------------------------------------
   FILIGRANE ADMINISTRATIF
   --------------------------------------------------------- */

body::before {
    content: "USAGE ADMINISTRATIF";
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-30deg);

    font-size: clamp(3rem, 8vw, 8rem);
    font-weight: 700;
    color: rgba(11, 61, 98, 0.045);

    white-space: nowrap;
    z-index: 0;

    pointer-events: none;
    user-select: none;
}


/* ---------------------------------------------------------
   CONTENEURS
   --------------------------------------------------------- */

.certrans-container {
    position: relative;
    z-index: 1;
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}


/* ---------------------------------------------------------
   EN-TÊTE CERTRANS
   --------------------------------------------------------- */

.certrans-header {
    position: relative;
    z-index: 10;

    background: linear-gradient(
        135deg,
        var(--certrans-primary-dark),
        var(--certrans-primary)
    );

    color: white;

    min-height: 74px;
    padding: 12px 24px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.15);
}

.certrans-header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.certrans-header-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.certrans-header-title {
    display: flex;
    flex-direction: column;
}

.certrans-header-title strong {
    font-size: 1.15rem;
    letter-spacing: 0.4px;
}

.certrans-header-title span {
    font-size: 0.78rem;
    opacity: 0.75;
}

.certrans-header-right {
    display: flex;
    align-items: center;
    gap: 18px;
}


/* ---------------------------------------------------------
   CARTES
   --------------------------------------------------------- */

.certrans-card {
    position: relative;
    z-index: 1;

    background: var(--certrans-surface);
    border: 1px solid var(--certrans-border);
    border-radius: var(--certrans-radius);

    box-shadow: var(--certrans-shadow);

    padding: 28px;
    margin-bottom: 24px;
}

.certrans-card-header {
    margin-bottom: 24px;
}

.certrans-card-header h2,
.certrans-card-header h3 {
    margin: 0;
    color: var(--certrans-primary);
}

.certrans-card-header p {
    margin: 6px 0 0;
    color: var(--certrans-text-light);
}


/* ---------------------------------------------------------
   TITRES
   --------------------------------------------------------- */

.certrans-title {
    color: var(--certrans-primary);
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 0 8px;
}

.certrans-subtitle {
    color: var(--certrans-text-light);
    margin: 0 0 28px;
}


/* ---------------------------------------------------------
   FORMULAIRES
   --------------------------------------------------------- */

.certrans-form {
    width: 100%;
}

.certrans-form-group {
    margin-bottom: 18px;
}

.certrans-form label {
    display: block;
    margin-bottom: 7px;
    color: var(--certrans-text);
    font-weight: 600;
    font-size: 0.92rem;
}

.certrans-form input,
.certrans-form select,
.certrans-form textarea {
    width: 100%;
    padding: 12px 14px;

    border: 1px solid var(--certrans-border);
    border-radius: 8px;

    background-color: #fff;
    color: var(--certrans-text);

    font-family: inherit;
    font-size: 0.95rem;

    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        background-color 0.2s ease;
}

.certrans-form textarea {
    min-height: 110px;
    resize: vertical;
}

.certrans-form input:focus,
.certrans-form select:focus,
.certrans-form textarea:focus {
    outline: none;
    border-color: var(--certrans-secondary);

    box-shadow: 0 0 0 3px rgba(25, 118, 168, 0.12);
}


/* ---------------------------------------------------------
   BOUTONS
   --------------------------------------------------------- */

.certrans-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;

    border: none;
    border-radius: 8px;

    padding: 11px 18px;

    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;

    text-decoration: none;
    cursor: pointer;

    transition:
        transform 0.15s ease,
        box-shadow 0.2s ease,
        background-color 0.2s ease;
}

.certrans-button:hover {
    transform: translateY(-1px);
}

.certrans-button-primary {
    background-color: var(--certrans-secondary);
    color: white;
    box-shadow: 0 5px 15px rgba(25, 118, 168, 0.20);
}

.certrans-button-primary:hover {
    background-color: var(--certrans-primary);
}

.certrans-button-success {
    background-color: var(--certrans-success);
    color: white;
}

.certrans-button-danger {
    background-color: var(--certrans-danger);
    color: white;
}

.certrans-button-outline {
    background-color: transparent;
    border: 1px solid var(--certrans-secondary);
    color: var(--certrans-secondary);
}

.certrans-button-outline:hover {
    background-color: var(--certrans-secondary);
    color: white;
}


/* ---------------------------------------------------------
   MESSAGES
   --------------------------------------------------------- */

.certrans-alert {
    padding: 13px 16px;
    border-radius: 8px;
    margin: 15px 0;
    font-size: 0.94rem;
}

.certrans-alert-error {
    background-color: #fff1f2;
    border: 1px solid #fecdd3;
    color: #b42318;
}

.certrans-alert-success {
    background-color: #ecfdf3;
    border: 1px solid #abefc6;
    color: #067647;
}


/* ---------------------------------------------------------
   PAGE DE CONNEXION
   --------------------------------------------------------- */

.login-page {
    min-height: 100vh;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 30px 16px;

    background:
        radial-gradient(
            circle at top left,
            rgba(25, 118, 168, 0.18),
            transparent 35%
        ),
        linear-gradient(
            135deg,
            #eef4f8,
            #f8fafc
        );
}

.login-wrapper {
    position: relative;
    z-index: 2;

    width: min(100%, 430px);
}

.login-brand {
    text-align: center;
    margin-bottom: 22px;
}

.login-brand img {
    width: auto;
    max-width: 180px;
    max-height: 90px;
    object-fit: contain;
    margin-bottom: 12px;
}

.login-brand h1 {
    margin: 0;
    color: var(--certrans-primary);
    font-size: 1.7rem;
}

.login-brand p {
    margin: 5px 0 0;
    color: var(--certrans-text-light);
    font-size: 0.92rem;
}

.login-card {
    background: rgba(255, 255, 255, 0.97);

    border: 1px solid rgba(220, 227, 233, 0.9);
    border-radius: 16px;

    padding: 34px;

    box-shadow:
        0 20px 50px rgba(11, 61, 98, 0.14);
}

.login-card h2 {
    margin: 0 0 6px;
    color: var(--certrans-primary);
    font-size: 1.4rem;
}

.login-card .login-description {
    margin: 0 0 25px;
    color: var(--certrans-text-light);
    font-size: 0.9rem;
}

.login-footer {
    text-align: center;
    margin-top: 18px;
    color: var(--certrans-text-light);
    font-size: 0.78rem;
}


/* ---------------------------------------------------------
   GRILLES
   --------------------------------------------------------- */

.grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.grid .field {
    flex: 1 1 calc(33.333% - 20px);

    border: 1px solid var(--certrans-border);
    padding: 15px;

    border-radius: 8px;
    background-color: #f9fbfc;

    box-sizing: border-box;
    min-width: 250px;
}

.grid .field label {
    display: block;
    font-weight: 600;
    color: var(--certrans-primary);
    margin-bottom: 5px;
}


/* ---------------------------------------------------------
   ANCIENNES CLASSES - COMPATIBILITÉ
   --------------------------------------------------------- */

form {
    max-width: 100%;
}

input,
button {
    font-family: inherit;
}

.error {
    color: var(--certrans-danger);
}


/* ---------------------------------------------------------
   TABLEAUX
   --------------------------------------------------------- */

.no-vertical-borders td {
    border-left: none !important;
    border-right: none !important;
}


/* ---------------------------------------------------------
   IMPRESSION
   --------------------------------------------------------- */

@media print {
    body::before {
        display: none;
    }

    .no-print {
        display: none !important;
    }
}


/* ---------------------------------------------------------
   RESPONSIVE
   --------------------------------------------------------- */

@media (max-width: 768px) {

    .certrans-header {
        padding: 12px 16px;
    }

    .certrans-header-title span {
        display: none;
    }

    .certrans-header-right {
        gap: 8px;
    }

    .certrans-card {
        padding: 20px;
    }

    .certrans-title {
        font-size: 1.5rem;
    }

    .grid .field {
        flex: 1 1 100%;
        min-width: 0;
    }
}

@media (max-width: 500px) {

    .login-card {
        padding: 25px 20px;
    }

    .login-brand img {
        max-width: 145px;
    }

    .login-brand h1 {
        font-size: 1.4rem;
    }

    .certrans-button {
        width: 100%;
    }
}