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

body {
    font-family: Arial, sans-serif;
    background-color: #1e1e1e;
    color: #f0f0f0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* ===========================
   NAVBAR
=========================== */
nav {
    background-color: #1a2332;
    padding: 0 30px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 1.2em;
    font-weight: bold;
}

.nav-logo span {
    font-size: 1.5em;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
    padding: 0;
}

nav ul li a {
    text-decoration: none;
    color: #ccd6e0;
    font-size: 0.95em;
    padding: 5px 10px;
    border-radius: 5px;
    transition: all 0.3s;
}

nav ul li a:hover {
    color: #fff;
    background-color: rgba(255,255,255,0.1);
}

nav ul li a.btn-red {
    color: #e74c3c;
}

nav ul li a.btn-red:hover {
    background-color: #e74c3c;
    color: white;
}

/* ===========================
   PAGE ACCUEIL
=========================== */
.hero {
    text-align: center;
    padding: 80px 20px 50px;
}

.hero h2 {
    font-size: 2em;
    font-weight: bold;
    color: #f0f0f0;
    margin-bottom: 15px;
}

.hero p {
    color: #aaa;
    font-size: 1em;
    margin-bottom: 25px;
    line-height: 1.6;
}

.btn-primary {
    display: inline-block;
    background-color: #3bc4e8;
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s;
}

.btn-primary:hover {
    background-color: #2aafd0;
}

.cards-home {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
}

.card-home {
    background-color: #2c3e50;
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.card-home .icone {
    font-size: 2em;
    display: block;
    margin-bottom: 12px;
}

.card-home h3 {
    font-size: 1em;
    font-weight: bold;
    margin-bottom: 8px;
    color: #f0f0f0;
}

.card-home p {
    font-size: 0.85em;
    color: #aaa;
    line-height: 1.5;
}

/* ===========================
   FOOTER
=========================== */
footer {
    border-top: 1px solid #333;
    padding: 15px 30px;
    text-align: left;
    font-size: 0.85em;
    color: #888;
    background-color: #1e1e1e;
}

footer hr {
    display: none;
}

/* ===========================
   FORMULAIRE LOGIN / REGISTER
=========================== */
.form-box {
    width: 360px;
    margin: 60px auto;
    padding: 30px;
    background-color: #2c3e50;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
    text-align: center;
    color: #f0f0f0;
}

.form-box h2 {
    margin-bottom: 25px;
    font-size: 1.3em;
    color: #f0f0f0;
}

.form-box label.field-label {
    display: block;
    text-align: left;
    font-size: 0.85em;
    font-weight: bold;
    color: #ccc;
    margin-bottom: 5px;
    margin-top: 15px;
}

.form-box input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #444;
    border-radius: 8px;
    font-size: 0.95em;
    color: #f0f0f0;
    background-color: #1e1e1e;
    transition: border 0.3s;
}

.form-box input:focus {
    outline: none;
    border-color: #3bc4e8;
}

.form-box input::placeholder {
    color: #666;
}

.password-wrapper {
    position: relative;
}

.password-wrapper input {
    padding-right: 40px;
}

.toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    font-size: 1em;
    color: #888;
    background: none;
    border: none;
}

.form-box button[type="submit"] {
    width: 100%;
    padding: 12px;
    background-color: #3bc4e8;
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1em;
    font-weight: bold;
    margin-top: 20px;
    transition: background-color 0.3s;
}

.form-box button[type="submit"]:hover {
    background-color: #2aafd0;
}

.form-error {
    color: #e74c3c;
    font-size: 0.88em;
    margin-bottom: 10px;
}

.form-success {
    color: #2ecc71;
    font-size: 0.88em;
    margin-bottom: 10px;
}

.form-link {
    margin-top: 15px;
    font-size: 0.88em;
    color: #aaa;
}

.form-link a {
    color: #3bc4e8;
    text-decoration: none;
}

.form-link a:hover {
    text-decoration: underline;
}

/* ===========================
   ACCESSIBILITÉ
=========================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

/* ===========================
   DASHBOARD
=========================== */
.dashboard-header {
    padding: 30px 30px 10px;
}

.dashboard-header h2 {
    color: #f0f0f0;
    font-size: 1.5em;
}

.dashboard-header p {
    color: #aaa;
    font-size: 0.95em;
}

.dashboard {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    padding: 20px 30px;
}

/* ===========================
   WIDGETS
=========================== */
.widget {
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    background-color: #2c3e50;
    color: #f0f0f0;
}

.widget strong {
    display: block;
    margin-bottom: 8px;
    color: #f0f0f0;
}

.widget p {
    font-size: 0.9em;
    color: #ccc;
}

.climat    { background-color: #34495e; }
.securite  { background-color: #7f8c8d; }
.energie   { background-color: #f39c12; }
.lumiere   { background-color: #8e44ad; }

.graphiques {
    grid-column: span 4;
    background-color: #2c3e50;
}

.alertes {
    grid-column: span 4;
    background-color: #c0392b;
    color: #fff;
}

/* ===========================
   ICONES
=========================== */
.icone {
    font-size: 2em;
    display: block;
    margin-bottom: 10px;
}

/* ===========================
   ALERTE ACTIVE
=========================== */
.alert {
    border: 2px solid #e74c3c;
}

/* ===========================
   LOGS / ADMIN
=========================== */
.logs-container {
    padding: 20px 30px;
    background-color: #2c3e50;
    margin: 20px 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    color: #f0f0f0;
}

.logs-container h3 {
    color: #f0f0f0;
    margin-bottom: 10px;
    margin-top: 20px;
}

.logs-container ul {
    list-style: none;
    padding: 0;
}

.logs-container ul li {
    padding: 8px 0;
    border-bottom: 1px solid #3d5166;
    font-size: 0.9em;
    color: #ccc;
}