/* 
   StationFinder - Feuille de style principale
   Auteurs : PIRABAKARAN Parthipan & HANANE Sanaa
   Date : 2026
   Description : Charte graphique StationFinder
    */

/* Variables CSS */
:root {
    --couleur-fond: #f0f4f8;
    --couleur-fond-secondaire: #ffffff;
    --couleur-carte: #ffffff;
    --couleur-primaire: #1a3c6e;
    --couleur-accent: #5db85d;
    --couleur-secondaire: #e8f0fe;
    --couleur-texte: #1a3c6e;
    --couleur-texte-discret: #6b7a99;
    --couleur-bordure: #d0dce8;
    --couleur-succes: #5db85d;
    --couleur-lien: #1a3c6e;
    --police-principale: Arial, Helvetica, sans-serif;
    --rayon-bordure: 10px;
    --ombre: 0 2px 12px rgba(26,60,110,0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #ffffff;
    color: var(--couleur-texte);
    font-family: var(--police-principale);
    font-size: 16px;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-header {
    background-color: #ffffff;
    border-bottom: 3px solid var(--couleur-accent);
    padding: 10px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.site-header .logo img {
    height: 55px;
    width: auto;
    border: none;
    border-radius: 0;
    background: transparent;
}

.menu-principal ul {
    list-style: none;
    display: flex;
    gap: 8px;
}

.menu-principal ul li a {
    color: var(--couleur-primaire);
    text-decoration: none;
    font-size: 0.95em;
    font-weight: bold;
    padding: 7px 14px;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.menu-principal ul li a:hover {
    background-color: var(--couleur-accent);
    color: #fff;
}


/* Barre options */
.barre-options {
    background-color: var(--couleur-secondaire);
    padding: 6px 30px;
    font-size: 0.85em;
    border-bottom: 1px solid var(--couleur-bordure);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
}

.barre-options a {
    color: var(--couleur-primaire);
    text-decoration: none;
    font-weight: bold;
    display: flex;
    align-items: center;
}

.barre-options a:hover {
    color: var(--couleur-accent);
}

.barre-options img {
    width: 20px;
    height: 20px;
    display: block;
}

.container {
    max-width: 1100px;
    margin: 30px auto;
    padding: 0 20px;
    flex: 1;
}

h1 {
    font-size: 1.9em;
    color: var(--couleur-primaire);
    margin-bottom: 25px;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--couleur-accent);
}

h2 {
    font-size: 1.3em;
    color: var(--couleur-primaire);
    border-left: 5px solid var(--couleur-accent);
    padding-left: 15px;
    margin-bottom: 15px;
    margin-top: 0;
}

h3 {
    font-size: 1.1em;
    color: #2d7a2d;
    margin-bottom: 10px;
}
p {
    margin-bottom: 12px;
    color: var(--couleur-texte);
}

/* Liens */
a {
    color: var(--couleur-lien);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
    color: var(--couleur-accent);
}

section {
    background-color: transparent;
    padding: 25px 30px;
    margin-bottom: 25px;
    border-radius: var(--rayon-bordure);
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

section:hover {
    background-color: #ffffff;
    border: 1px solid var(--couleur-bordure);
    box-shadow: 0 10px 20px rgba(26, 60, 110, 0.08);
    transform: translateY(-3px);
}


ul, ol {
    margin-left: 25px;
    margin-bottom: 12px;
}

ul li, ol li {
    margin-bottom: 6px;
    color: var(--couleur-texte);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

thead {
    background-color: var(--couleur-primaire);
}

th {
    padding: 12px 15px;
    text-align: left;
    color: #ffffff;
    font-weight: bold;
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 11px 15px;
    border-bottom: 1px solid var(--couleur-bordure);
    color: var(--couleur-texte);
    font-size: 0.95em;
}

tr:nth-child(even) {
    background-color: #f7fafd;
}

tr:hover {
    background-color: var(--couleur-secondaire);
}

/* Formulaires */
form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

fieldset {
    border: none;
    border-top: 2px solid var(--couleur-accent);
    border-radius: 0;
    padding: 15px 0;
}

legend {
    color: var(--couleur-primaire);
    font-weight: bold;
    padding: 0 8px;
}

label {
    font-size: 0.95em;
    color: var(--couleur-texte);
    margin-bottom: 4px;
    display: block;
}

input:not([type="checkbox"]), select, textarea {
    background-color: #f7fafd;
    border: 1px solid var(--couleur-bordure);
    border-radius: 6px;
    color: var(--couleur-texte);
    padding: 10px 12px;
    font-size: 1em;
    width: 100%;
    transition: border-color 0.2s;
}

input[type="checkbox"] {
    width: auto;
    padding: 0;
}

label:has(input[type="checkbox"]) {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--couleur-accent);
    box-shadow: 0 0 0 3px rgba(93,184,93,0.15);
}

button, .btn {
   background-color: #2d7a2d;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 10px 24px;
    font-size: 1em;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    text-decoration: none;
    display: inline-block;
}

button:hover, .btn:hover {
    background-color: #1e5c1e;
    transform: translateY(-1px);
}

figure {
    margin: 15px 0;
    text-align: center;
}

figure img {
    max-width: 100%;
    border-radius: var(--rayon-bordure);
    border: 1px solid var(--couleur-bordure);
    box-shadow: var(--ombre);
}

figcaption {
    font-size: 0.85em;
    color: #555555;
    margin-top: 8px;
    font-style: italic;
}

figure img {
    max-width: 100%;
    border-radius: var(--rayon-bordure);
    border: 1px solid var(--couleur-bordure);
    box-shadow: var(--ombre);
    transition: transform 0.3s ease;
}

figure img:hover {
    transform: scale(1.03);
    cursor: pointer;
}

/*  Séparateur */
hr {
    border: none;
    border-top: 2px solid var(--couleur-bordure);
    margin: 25px 0;
}

footer {
    background-color: var(--couleur-primaire);
    padding: 20px 30px;
    text-align: center;
    font-size: 0.85em;
    color: rgba(255,255,255,0.8);
    margin-top: auto;
}

footer a {
    color: #ffffff;
    text-decoration: underline;
}
footer a:hover {
    text-decoration: underline;
}

footer p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 5px;
}

/* Histogramme stats */
.histogramme {
    width: 100%;
}

.barre-container {
    display: flex;
    align-items: center;
    gap: 15px;
    width: 100%;
}

.barre-label {
    min-width: 120px;
    font-size: 0.9em;
    color: var(--couleur-texte);
    text-align: right;
    font-weight: bold;
}

.barre {
    background: linear-gradient(90deg, var(--couleur-accent), #3a9a3a);
    border-radius: 6px;
    padding: 7px 12px;
    min-width: 50px;
    box-shadow: 0 2px 6px rgba(93,184,93,0.3);
}

.barre-valeur {
    color: #fff;
    font-size: 0.85em;
    font-weight: bold;
    white-space: nowrap;
}

/* Classes utilitaires */
.texte-centre  { text-align: center; }
.texte-discret { color: #555555; font-size: 0.9em; }
.marge-haut    { margin-top: 20px; }

/* Flèche retour en haut */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
  background-color: #2d7a2d;
    color: #ffffff;
    border: none;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    font-size: 1.2em;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}

.back-to-top:hover {
    background-color: #1e5c1e;
    text-decoration: none;
}

.legende-tendances {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 15px;
    font-size: 0.9em;
}

.legende-item {
    padding: 4px 12px;
    border-radius: 4px;
    font-weight: bold;
    color: #000000;
}

.prix-bas { background-color: #d4edda;
	text-align: center;
}

.prix-moyen {
	background-color: #fff3cd;
	text-align: center;
}

.prix-eleve {
	background-color: #f8d7da;
	text-align: center;
}

.prix-actuel { 
	font-weight: bold;
}