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

body {
    font-family: Arial, Verdana, sans-serif;
    background: #ffffff;
    min-height: 100vh;
    padding: 20px;
    line-height: 1.8;
    font-size: 18px;
    color: #000000;
}

.login-container {
    width: 100%;
    max-width: 480px;
    background: #ffffff;
    border: 3px solid #000000;
    border-radius: 8px;
    padding: 50px 40px;
    box-shadow: none;
    margin: 40px auto;
}

.header-section {
    text-align: center;
    margin-bottom: 40px;
}

h1 {
    font-size: 48px;
    font-weight: 700;
    color: #000000;
    margin-bottom: 10px;
    letter-spacing: 0;
}

.subtitle {
    font-size: 16px;
    color: #6b7280;
    margin-bottom: 10px;
}

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

label {
    display: block;
    font-weight: 700;
    color: #000000;
    margin-bottom: 8px;
    font-size: 18px;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
textarea,
select {
    width: 100%;
    padding: 16px 18px;
    border: 3px solid #000000;
    border-radius: 8px;
    font-size: 18px;
    background: #ffffff;
    transition: all 0.3s ease;
    font-family: Arial, Verdana, sans-serif;
    color: #000000;
}

input:focus,
textarea:focus,
select:focus {
    border-color: #0000ff;
    background: #ffffff;
    outline: 3px solid #0000ff;
    box-shadow: none;
}

textarea {
    min-height: 100px;
    resize: vertical;
}

.helper-text {
    font-size: 13px;
    color: #9ca3af;
    margin-top: 5px;
}

.error-message {
    background: #dc2626;
    color: #fff;
    padding: 14px 18px;
    border-radius: 12px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    border: 2px solid #991b1b;
}

.success-message {
    background: #059669;
    color: #fff;
    padding: 14px 18px;
    border-radius: 12px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    border: 2px solid #047857;
}

button,
.login-button,
.register-button {
    width: 100%;
    padding: 18px 0;
    background: #000000;
    color: #ffffff;
    border: 3px solid #000000;
    border-radius: 8px;
    font-size: 20px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
    box-shadow: none;
    font-family: Arial, Verdana, sans-serif;
}

button:hover,
.login-button:hover,
.register-button:hover {
    background: #ffffff;
    color: #000000;
    border-color: #000000;
    transform: none;
    box-shadow: none;
}

button:active {
    transform: translateY(0);
}

.register-link {
    display: block;
    text-align: center;
    margin-top: 25px;
    color: #667eea;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: color 0.3s;
}

.register-link:hover {
    color: #764ba2;
}

/* Container principal */
.demandes-container {
    max-width: 1000px;
    margin: 20px auto;
    padding: 20px;
}

.demandes-container h1 {
    color: #1a1a2e;
    text-align: center;
    margin-bottom: 30px;
    font-size: 36px;
}

/* Cards */
.demande-card {
    background: #fff;
    border-radius: 16px;
    padding: 28px;
    margin-bottom: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.demande-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.demande-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f3f4f6;
}

.demande-titre {
    font-size: 24px;
    font-weight: 700;
    color: #000000;
    margin: 0;
}

/* Badges de statut */
.statut-badge {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.statut-ouverte {
    background: #059669;
    color: white;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.statut-prise_en_charge {
    background: #2563eb;
    color: white;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.statut-terminee {
    background: #7c3aed;
    color: white;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.statut-depassee {
    background: #dc2626;
    color: white;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.demande-info {
    margin: 12px 0;
    color: #000000;
    font-size: 17px;
}

.demande-info strong {
    color: #1f2937;
    font-weight: 600;
}

.propositions-badge {
    background: #d97706;
    color: white;
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 13px;
    font-weight: 600;
    display: inline-block;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

/* Boutons */
.btn-voir-propositions {
    background: #2563eb;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.btn-voir-propositions:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.btn-terminer {
    background: #059669;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.btn-terminer:hover {
    background: #047857;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.btn-modifier {
    background: #d97706;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    margin-right: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.btn-modifier:hover {
    background: #b45309;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.btn-supprimer {
    background: #dc2626;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.btn-supprimer:hover {
    background: #991b1b;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.actions-buttons {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid #f3f4f6;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.no-demandes {
    text-align: center;
    padding: 60px 20px;
    color: #4b5563;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.no-demandes p {
    font-size: 18px;
    font-weight: 500;
}

.btn-retour {
    background: #6b7280;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    text-decoration: none;
    display: inline-block;
    margin-bottom: 20px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.btn-retour:hover {
    background: #4b5563;
    transform: translateX(-4px);
}

/* RESPONSIVE - Mobile First */
@media screen and (max-width: 768px) {
    body {
        padding: 10px;
        font-size: 16px;
    }
    
    h1 {
        font-size: 32px;
    }
    
    .login-container {
        padding: 30px 20px;
        margin: 20px auto;
    }
    
    button,
    .login-button,
    .register-button {
        padding: 16px 0;
        font-size: 18px;
    }
    
    .demandes-container {
        padding: 10px;
    }
    
    .demandes-container h1 {
        font-size: 28px;
    }
    
    .demande-card {
        padding: 20px;
        margin-bottom: 15px;
    }
    
    .demande-titre {
        font-size: 20px;
    }
    
    .demande-info {
        font-size: 15px;
    }
    
    .actions-buttons {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    
    .btn-voir-propositions,
    .btn-terminer,
    .btn-modifier,
    .btn-supprimer {
        width: 100%;
        margin-right: 0;
    }
    
    input,
    textarea,
    select {
        font-size: 16px;
    }
    
    label {
        font-size: 16px;
    }
}

@media screen and (max-width: 480px) {
    h1 {
        font-size: 28px;
    }
    
    body {
        font-size: 15px;
    }
    
    .demandes-container h1 {
        font-size: 24px;
    }
    
    .demande-card {
        padding: 15px;
    }
}