:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Navigation */
.navbar {
    background-color: var(--card-bg);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-icon {
    font-size: 2rem;
}

#userName {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover:not(.btn-disabled):not(:disabled) {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary.btn-disabled,
.btn-primary:disabled {
    background-color: #1e293b;
    color: #94a3b8;
    cursor: not-allowed;
    opacity: 0.8;
}

.btn-secondary {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-large {
    padding: 0.875rem 2rem;
    font-size: 1rem;
}

.btn-icon {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    background-color: var(--bg-color);
    color: var(--text-primary);
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.view {
    min-height: calc(100vh - 80px);
}

/* Welcome Screen */
.welcome-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 200px);
    text-align: center;
}

.welcome-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.action-buttons {
    display: flex;
    gap: 1rem;
}

/* Dashboard */
.dashboard-container {
    animation: fadeIn 0.5s ease-in;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.action-card {
    background-color: var(--card-bg);
    border-radius: 0.75rem;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.action-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.action-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.action-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Operations Panel */
.operations-panel {
    background-color: var(--card-bg);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-color);
}

.panel-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.panel-content {
    padding: 2rem;
    max-height: 70vh;
    overflow-y: auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

/* Turnstile widget styling */
.cf-turnstile {
    margin: 0 auto;
}

.cf-turnstile iframe {
    margin: 0 auto;
}

.form-group:has(.person-select-group) {
    margin-bottom: 0.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s ease;
    background-color: var(--card-bg);
}

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

.form-group select {
    cursor: pointer;
    padding-right: 2.5rem;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 12px;
}

.form-group select:focus {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%232563eb' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

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

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

/* Balance Section */
.balance-section,
.history-section {
    background-color: var(--card-bg);
    border-radius: 0.75rem;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.balance-list {
    display: grid;
    gap: 1rem;
}

.balance-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.balance-item:hover {
    border-color: var(--primary-color);
    transform: translateX(4px);
}

.balance-person {
    font-weight: 500;
    font-size: 1.125rem;
}

.balance-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* History List */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 0.5rem;
    border-left: 4px solid var(--border-color);
    transition: all 0.2s ease;
}

.history-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.history-item.give {
    border-left-color: var(--success-color);
}

.history-item.withdraw {
    border-left-color: var(--danger-color);
}

.history-main {
    flex: 1;
}

.history-person {
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.history-meta {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.history-amount {
    font-size: 1.25rem;
    font-weight: 700;
}

.history-amount.give {
    color: var(--success-color);
}

.history-amount.withdraw {
    color: var(--danger-color);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: 0.75rem;
    padding: 0;
    max-width: 400px;
    width: 90%;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.modal-header {
    padding: 1.5rem 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.modal-body {
    padding: 1.5rem;
}

.close-modal {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s ease;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.25rem;
    background: none;
    border: none;
    padding: 0;
}

.close-modal:hover {
    color: var(--text-primary);
    background-color: var(--bg-color);
}

.auth-form {
    margin-top: 0;
}

.auth-form h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    padding-right: 2rem;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 100px;
    right: 2rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary-color);
    min-width: 300px;
    animation: slideInRight 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.toast.success {
    border-left-color: var(--success-color);
}

.toast.error {
    border-left-color: var(--danger-color);
}

.toast-message {
    flex: 1;
    font-weight: 500;
}

.toast-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.toast.removing {
    animation: slideOutRight 0.3s ease forwards;
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

.fade-in-delay-1 {
    animation: fadeIn 0.5s ease 0.1s both;
}

.fade-in-delay-2 {
    animation: fadeIn 0.5s ease 0.2s both;
}

.fade-in-delay-3 {
    animation: fadeIn 0.5s ease 0.3s both;
}

.fade-in-delay-4 {
    animation: fadeIn 0.5s ease 0.4s both;
}

.slide-in {
    animation: slideIn 0.3s ease;
}

@keyframes slideOut {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(-20px);
        opacity: 0;
    }
}

.slide-out {
    animation: slideOut 0.2s ease forwards;
}

.operations-panel.closing {
    animation: slideOut 0.2s ease forwards;
}

/* Responsive */
@media (max-width: 768px) {
    .welcome-title {
        font-size: 2rem;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .nav-container {
        padding: 1rem;
    }

    .main-content {
        padding: 1rem;
    }

    .action-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
    }

    .btn-large {
        width: 100%;
    }
}

/* Footer */
.footer {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
    color: var(--text-secondary);
}

.footer p {
    margin: 0;
    font-size: 0.875rem;
}

/* Person Management */
.persons-section {
    background-color: var(--card-bg);
    border-radius: 0.75rem;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.persons-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.persons-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.persons-list {
    display: grid;
    gap: 1rem;
}

.person-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.person-item:hover {
    border-color: var(--primary-color);
    transform: translateX(4px);
}

.person-info {
    flex: 1;
}

.person-name {
    font-weight: 500;
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.person-class {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.person-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.btn-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.btn-danger {
    background-color: var(--card-bg);
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

.btn-danger:hover {
    background-color: var(--danger-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-icon-only {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1rem;
}

.btn-icon-only:hover {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-icon-only svg {
    pointer-events: none;
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* Person Selection for Withdraw */
.person-select-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0;
}

.person-select-wrapper {
    flex: 1;
    min-width: 0;
}

.add-person-btn {
    width: 40px;
    height: 40px;
    min-width: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1.5rem;
    flex-shrink: 0;
    align-self: center;
}

.add-person-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.person-entries {
    margin-top: 0;
}

.person-entries .form-group {
    margin-bottom: 0;
}

.person-entry {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    margin-bottom: 0.75rem;
}

.person-entry-info {
    flex: 1;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 0.75rem;
    align-items: center;
}

.person-entry-name {
    font-weight: 500;
}

.person-entry-type {
    display: flex;
    gap: 0.5rem;
}

.person-entry-type input[type="radio"] {
    width: auto;
    margin-right: 0.25rem;
}

.person-entry-type label {
    margin-bottom: 0;
    font-weight: normal;
    cursor: pointer;
    display: flex;
    align-items: center;
    font-size: 0.875rem;
}

.remove-person-btn {
    width: 40px;
    height: 40px;
    min-width: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    background-color: #ef4444;
    border: none;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1.5rem;
    flex-shrink: 0;
    align-self: center;
}

.remove-person-btn:hover {
    background-color: #dc2626;
    color: white;
}

.person-entry input[type="number"] {
    width: 100%;
}

@media (max-width: 768px) {
    .person-entry-info {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .person-select-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .add-person-btn {
        width: 100%;
        height: 40px;
    }
}