:root {
    --primary: #25D366;
    --primary-dark: #128C7E;
    --bg-color: #ECE5DD;
    --text-dark: #075E54;
    --text-light: #ffffff;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Glassmorphism Card */
.glass-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

/* Login Page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
}

.login-container .glass-card {
    width: 100%;
    max-width: 400px;
    text-align: center;
}

h1, h2, h3 {
    color: var(--text-dark);
    margin-top: 0;
}

input[type="password"] {
    width: 100%;
    padding: 12px;
    margin: 15px 0;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 16px;
}

button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

button[type="submit"], .primary-btn {
    background-color: var(--primary);
    color: var(--text-light);
}

button[type="submit"]:hover, .primary-btn:hover {
    background-color: var(--primary-dark);
}

.secondary-btn {
    background-color: #ddd;
    color: #333;
}

.secondary-btn:hover {
    background-color: #ccc;
}

.error-text {
    color: #d9534f;
    margin-top: 10px;
    font-size: 14px;
}

/* Dashboard */
.navbar {
    background-color: var(--primary-dark);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar h2 {
    color: var(--text-light);
    margin: 0;
}

.navbar button {
    width: auto;
    padding: 8px 16px;
}

.dashboard-container {
    padding: 30px;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.main-card {
    text-align: center;
}

/* Modal */
.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    width: 90%;
    max-width: 400px;
    text-align: center;
}

#qrContainer img {
    max-width: 100%;
    border-radius: 8px;
    margin: 15px 0;
}

.hidden {
    display: none !important;
}

/* API Details */
.api-details {
    margin-top: 20px;
}

.code-block {
    background: #f4f4f4;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
    word-break: break-all;
}

pre {
    background: #2d2d2d;
    color: #f8f8f2;
    padding: 15px;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 14px;
}

/* Loader */
.loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}