:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --success: #10b981;
    --erro r: #ef4444;
    --dark: #1f2937;
    --gray: #6b7280;
    --light-gray: #f3f4f6;
    --border: #e5e7eb;
    --white: #ffffff;
}

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

/* Minimal Modern Body */
.minimal-body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #fafafa;
    min-height: 100vh;
    color: var(--dark);
    line-height: 1.6;
}

/* Header */
.header-minimal {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-logo {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.header-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
    margin: 0;
}

/* Container */
.container-minimal {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Banner */
.banner-minimal {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.banner-minimal img {
    width: 100%;
    height: auto;
    display: block;
}

/* Form Wrapper */
.form-wrapper-minimal {
    background: var(--white);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.form-header-minimal {
    margin-bottom: 32px;
    text-align: center;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.form-header-minimal h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.subtitle-minimal {
    color: var(--gray);
    font-size: 15px;
    margin: 0;
}

/* Form Row */
.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

@media (min-width: 768px) {
    .form-row:has(.form-group-minimal + .form-group-minimal) {
        grid-template-columns: 1fr 1fr;
    }
}

/* Form Group */
.form-group-minimal {
    display: flex;
    flex-direction: column;
}

.form-group-minimal label {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.required {
    color: var(--error);
    margin-left: 4px;
}

/* Input Fields */
.form-group-minimal input[type="text"],
.form-group-minimal input[type="tel"],
.form-group-minimal input[type="email"],
.form-group-minimal select {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--white);
    color: var(--dark);
    transition: all 0.2s ease;
    font-family: inherit;
}

.form-group-minimal input[type="text"]:focus,
.form-group-minimal input[type="tel"]:focus,
.form-group-minimal input[type="email"]:focus,
.form-group-minimal select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group-minimal input::placeholder {
    color: #9ca3af;
}

/* Small Text */
small,
.description-minimal {
    display: block;
    font-size: 13px;
    color: var(--gray);
    margin-top: 6px;
}

/* Checkbox Group */
.checkbox-group-minimal {
    display: flex;
    align-items: center;
    margin-top: 10px;
}

.checkbox-group-minimal input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    cursor: pointer;
    accent-color: var(--primary);
}

.checkbox-group-minimal label {
    margin: 0;
    font-weight: 400;
    font-size: 14px;
    color: var(--gray);
    cursor: pointer;
}

/* Submit Button */
.form-actions {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.submit-btn-minimal {
    width: 100%;
    padding: 14px 24px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.submit-btn-minimal:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.submit-btn-minimal:active {
    transform: translateY(0);
}

.submit-btn-minimal svg {
    transition: transform 0.2s ease;
}

.submit-btn-minimal:hover svg {
    transform: translateX(4px);
}

/* Messages */
#message {
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 24px;
    display: none;
    font-size: 14px;
}

#message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

#message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

/* Admin Styles */
.admin-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.admin-header {
    background: white;
    padding: 20px 30px;
    border-radius: 12px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.admin-header h1 {
    margin: 0;
    text-align: left;
    font-size: 24px;
}

.logout-btn {
    padding: 10px 20px;
    background: var(--error);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
}

.logout-btn:hover {
    background: #dc2626;
}

.admin-content {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.admin-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.action-btn {
    padding: 10px 20px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.action-btn:hover {
    background: var(--primary-dark);
}

.search-box {
    flex: 1;
    min-width: 250px;
}

.search-box input {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
}

.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

table th {
    background: var(--primary);
    color: white;
    padding: 14px;
    text-align: left;
    font-weight: 600;
    font-size: 14px;
}

table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

table tr:hover {
    background: var(--light-gray);
}

.delete-btn {
    padding: 6px 12px;
    background: var(--error);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s ease;
}

.delete-btn:hover {
    background: #dc2626;
}

/* Login Page */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.form-wrapper {
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.form-wrapper h1 {
    color: var(--dark);
    font-size: 28px;
    margin-bottom: 10px;
    text-align: center;
    font-weight: 700;
}

.subtitle {
    text-align: center;
    color: var(--gray);
    margin-bottom: 30px;
    font-size: 15px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: var(--dark);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.submit-btn {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.submit-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.submit-btn:active {
    transform: translateY(0);
}

.banner-upload {
    margin-bottom: 30px;
    padding: 20px;
    background: var(--light-gray);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.banner-upload h3 {
    margin-bottom: 15px;
    color: var(--dark);
    font-size: 18px;
}

.current-banner {
    margin-top: 15px;
}

.current-banner img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-top: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .header-logo {
        height: 40px;
    }
    
    .header-title {
        font-size: 16px;
    }
    
    .form-wrapper-minimal {
        padding: 24px;
    }

    .form-header-minimal h1 {
        font-size: 24px;
    }

    .admin-header {
        flex-direction: column;
        gap: 15px;
    }

    .admin-actions {
        flex-direction: column;
    }

    table {
        font-size: 12px;
    }

    table th,
    table td {
        padding: 8px;
    }
}