/* Base styles and typography */
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: #f8fafc;
    color: #334155;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Layout Containers */
.landing-container {
    max-width: 600px; /* Increased width for better desktop experience */
    margin: auto;
    padding: 30px;
    width: 100%;
    box-sizing: border-box;
}

.dashboard-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px;
    width: 100%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Headers */
.landing-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
}
.landing-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin: 0;
    color: #0f172a;
    letter-spacing: -0.5px;
}

.dashboard-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e1e4e8;
}

/* Main Content Area in Landing */
.landing-main {
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
    text-align: center;
    border: 1px solid #f1f5f9;
}

.landing-main h2 {
    margin-top: 0;
    font-size: 24px;
    font-weight: 600;
    color: #0f172a;
}

.landing-main p {
    color: #64748b;
    margin-bottom: 30px;
    font-size: 16px;
}

/* Role Selection */
.role-selection {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.role-btn {
    flex: 1;
    padding: 24px 20px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    background: #ffffff;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
}

.role-btn:hover {
    border-color: #3b82f6;
    background: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.1), 0 4px 6px -4px rgba(59, 130, 246, 0.05);
}

.role-btn h3 {
    margin: 0 0 8px 0;
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
}

.role-btn p {
    margin: 0;
    font-size: 14px;
    color: #64748b;
    line-height: 1.4;
}

/* Utility */
.hidden { display: none !important; }

/* Authentication Section */
.auth-section {
    text-align: left;
    max-width: 400px;
    margin: 0 auto;
}

#auth-title {
    margin-top: 20px;
    margin-bottom: 25px;
    font-size: 24px;
    font-weight: 600;
    color: #0f172a;
    text-align: center;
}

/* Forms */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #334155;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px; /* 16px prevents iOS zoom on focus */
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    box-sizing: border-box;
    transition: all 0.2s ease;
    background-color: #f8fafc;
    color: #1e293b;
}

.form-group input:focus {
    outline: none;
    border-color: #3b82f6;
    background-color: #ffffff;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

/* Buttons */
.btn-primary {
    background: #2563eb;
    color: #ffffff;
    border: none;
    padding: 14px 24px;
    border-radius: 10px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.2s ease;
    margin-top: 10px;
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.1), 0 2px 4px -2px rgba(37, 99, 235, 0.1);
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: 0 6px 8px -1px rgba(37, 99, 235, 0.15), 0 4px 6px -2px rgba(37, 99, 235, 0.1);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px -1px rgba(37, 99, 235, 0.1);
}

.btn-text {
    background: none;
    border: none;
    color: #64748b;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
}

.btn-text:hover {
    color: #1e293b;
    background: #f1f5f9;
}

.auth-section p {
    text-align: center;
    margin-top: 20px;
}

.auth-section a {
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
}

.auth-section a:hover {
    text-decoration: underline;
}

.error-message {
    color: #e53e3e;
    margin-top: 15px;
    font-size: 14px;
    text-align: center;
    background: #fff5f5;
    padding: 10px;
    border-radius: 6px;
    display: empty; /* Hide when empty */
}
.error-message:empty {
    display: none;
}

/* Dashboards */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.card {
    background: #ffffff;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.025);
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
}

.card h3 {
    margin-top: 0;
    color: #0f172a;
    font-size: 18px;
    font-weight: 600;
    border-bottom: 1px solid #f1f5f9;
    padding-bottom: 12px;
    margin-bottom: 20px;
}

.card p {
    color: #64748b;
    margin-bottom: 20px;
    line-height: 1.5;
    flex-grow: 1;
}

.card .btn-primary {
    margin-top: 10px;
    width: auto;
}

.alert-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.alert-item {
    padding: 15px;
    border-left: 4px solid;
    border-radius: 4px;
    margin-bottom: 12px;
    background: #fdfdfd;
    box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}

.alert-item.red { border-color: #e53e3e; background-color: #fff5f5;}
.alert-item.yellow { border-color: #ed8936; background-color: #fffaf0;}
.alert-item.green { border-color: #38a169; background-color: #f0fff4;}

/* Responsive Design */
@media (max-width: 768px) {
    .landing-container {
        padding: 20px;
    }

    .landing-main {
        padding: 30px 20px;
    }

    .role-selection {
        flex-direction: column;
        gap: 15px;
    }

    .dashboard-container {
        padding: 20px 15px;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .card {
        padding: 20px;
    }
}