:root {
    --primary-color: #25D366;
    --primary-dark: #128C7E;
    --secondary-color: #34B7F1;
    --text-color: #4A4A4A;
    --background-color: #F0F2F5;
    --error-color: #DC3545;
    --success-color: #28A745;
    --pending-color: #FFC107;
    --white: #FFFFFF;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --radius: 12px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    width: 100%;
    flex: 1;
}

/* Header Styles */
header {
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    color: var(--primary-dark);
    font-size: 1.8rem;
    font-weight: 600;
}

nav a {
    color: var(--white);
    text-decoration: none;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius);
    background-color: var(--primary-color);
    transition: all 0.3s ease;
    font-weight: 500;
    display: inline-block;
}

nav a:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Main Content */
main {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.8rem;
    color: var(--text-color);
    font-weight: 500;
    font-size: 1rem;
}

.form-control {
    width: 100%;
    padding: 1rem;
    border: 2px solid #E1E1E1;
    border-radius: var(--radius);
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.1);
}

/* Button Styles */
.btn-submit {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-submit:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-submit:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
    transform: none;
}

/* Status Message Styles */
#status-message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: var(--radius);
    font-weight: 500;
    text-align: center;
    display: none;
}

#status-message.success {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
    border: 1px solid var(--success-color);
    display: block;
}

#status-message.error {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--error-color);
    border: 1px solid var(--error-color);
    display: block;
}

#status-message.pending {
    background-color: rgba(255, 193, 7, 0.1);
    color: var(--pending-color);
    border: 1px solid var(--pending-color);
    display: block;
}

/* Login Form Specific Styles */
.login-form {
    max-width: 400px;
    margin: 0 auto;
}

.error {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--error-color);
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    text-align: center;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    main {
        padding: 1.5rem;
    }

    .btn-submit {
        padding: 0.8rem 1.5rem;
    }
}

/* Animation pour le statut */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#status-message {
    animation: fadeIn 0.3s ease-in-out;
}

/* Styles pour le formulaire de téléphone */
.phone-input-container {
    position: relative;
}

.phone-input-container::before {
    content: "+";
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-color);
    font-size: 1.2rem;
    font-weight: 500;
}

.phone-input-container input[type="tel"] {
    padding-left: 2.5rem;
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 1s ease-in-out infinite;
    margin-left: 10px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* WhatsApp Icon */
.whatsapp-icon {
    width: 30px;
    height: 30px;
    margin-right: 10px;
    vertical-align: middle;
}

/* Card Style */
.card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.card-header {
    border-bottom: 1px solid #E1E1E1;
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.card-title {
    color: var(--primary-dark);
    font-size: 1.5rem;
    margin: 0;
}