/* ============================================
   DIGITAL WALLET - FINTECH MOBILE BANKING UI
   ============================================ */

/* CSS Variables */
:root {
    --primary-orange: #ff6a00;
    --primary-orange-hover: #e55f00;
    --secondary-orange: #ff8c42;
    --light-orange: #fff4ed;
    --background: #f7f7f7;
    --card-background: #ffffff;
    --text-primary: #1a1a2e;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --success-bg: #d1fae5;
    --error-color: #ef4444;
    --error-bg: #fee2e2;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   AUTHENTICATION PAGES (Login & Register)
   ============================================ */

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--background) 0%, var(--light-orange) 100%);
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: var(--card-background);
    border-radius: var(--radius-xl);
    padding: 40px 32px;
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 10;
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Logo Section */
.logo-section {
    text-align: center;
    margin-bottom: 32px;
}

.logo-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--secondary-orange) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    box-shadow: 0 8px 20px rgba(255, 106, 0, 0.3);
}

.logo-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

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

/* Form Styles */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--card-background);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.form-group input::placeholder {
    color: var(--text-light);
}

.form-group input:focus {
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 4px rgba(255, 106, 0, 0.1);
}

.form-group input:hover:not(:focus) {
    border-color: var(--text-light);
}

/* Input with Prefix */
.input-with-prefix {
    position: relative;
    display: flex;
    align-items: center;
}

.input-prefix {
    position: absolute;
    left: 16px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    pointer-events: none;
}

.input-with-prefix input {
    padding-left: 36px;
}

/* Buttons */
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--secondary-orange) 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(255, 106, 0, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 106, 0, 0.4);
}

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

.btn.loading .btn-text {
    opacity: 0;
}

.btn.loading .btn-loader {
    display: block;
}

.btn-loader {
    display: none;
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Messages */
.error-message {
    font-size: 0.875rem;
    color: var(--error-color);
    background: var(--error-bg);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    display: none;
}

.error-message.show {
    display: block;
    animation: shake 0.4s ease;
}

.success-message {
    font-size: 0.875rem;
    color: var(--success-color);
    background: var(--success-bg);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    display: none;
}

.success-message.show {
    display: block;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Auth Footer */
.auth-footer {
    margin-top: 24px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-orange);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.link:hover {
    color: var(--primary-orange-hover);
    text-decoration: underline;
}

/* Decorative Elements */
.auth-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--secondary-orange) 100%);
    opacity: 0.1;
}

.circle-1 {
    width: 300px;
    height: 300px;
    top: -100px;
    right: -100px;
}

.circle-2 {
    width: 200px;
    height: 200px;
    bottom: -50px;
    left: -50px;
}

.circle-3 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    right: 10%;
    opacity: 0.05;
}

/* ============================================
   DASHBOARD
   ============================================ */

.dashboard-container {
    min-height: 100vh;
    background: var(--background);
}

/* Header */
.dashboard-header {
    background: var(--card-background);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 600px;
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--secondary-orange) 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-logo svg {
    width: 20px;
    height: 20px;
    color: white;
}

.header-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: inherit;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.logout-btn svg {
    width: 18px;
    height: 18px;
}

.logout-btn:hover {
    background: var(--error-bg);
    border-color: var(--error-color);
    color: var(--error-color);
}

/* Main Content */
.dashboard-main {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Balance Section */
.balance-section {
    animation: slideUp 0.5s ease-out;
}

.balance-card {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--secondary-orange) 100%);
    border-radius: var(--radius-xl);
    padding: 28px 24px;
    color: white;
    box-shadow: 0 10px 30px rgba(255, 106, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.balance-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.balance-card::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 150px;
    height: 150px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.balance-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.balance-label {
    font-size: 0.875rem;
    font-weight: 500;
    opacity: 0.9;
}

.refresh-btn {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.refresh-btn svg {
    width: 18px;
    height: 18px;
    color: white;
}

.refresh-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.refresh-btn.spinning svg {
    animation: spin 0.8s linear infinite;
}

.balance-amount {
    display: flex;
    align-items: baseline;
    gap: 4px;
    position: relative;
    z-index: 1;
}

.balance-amount .currency {
    font-size: 1.5rem;
    font-weight: 500;
}

.balance-amount .amount {
    font-size: 2.75rem;
    font-weight: 700;
    letter-spacing: -1px;
}

.balance-footer {
    margin-top: 16px;
    position: relative;
    z-index: 1;
}

.balance-status {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.8;
}

/* Action Buttons */
.actions-section {
    animation: slideUp 0.5s ease-out 0.1s backwards;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.action-card {
    background: var(--card-background);
    border: none;
    border-radius: var(--radius-lg);
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: var(--shadow-sm);
    font-family: inherit;
}

.action-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.action-card:active {
    transform: translateY(-2px);
}

.action-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-icon svg {
    width: 24px;
    height: 24px;
}

.deposit-icon {
    background: var(--success-bg);
    color: var(--success-color);
}

.transfer-icon {
    background: var(--light-orange);
    color: var(--primary-orange);
}

.history-icon {
    background: #e0e7ff;
    color: #4f46e5;
}

.action-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Transactions Section */
.transactions-section {
    background: var(--card-background);
    border-radius: var(--radius-xl);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    animation: slideUp 0.5s ease-out 0.2s backwards;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.section-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.view-all-btn {
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    color: var(--primary-orange);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.view-all-btn:hover {
    color: var(--primary-orange-hover);
    text-decoration: underline;
}

.transactions-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.transaction-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--background);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.transaction-item:hover {
    background: var(--light-orange);
}

.transaction-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.transaction-icon svg {
    width: 20px;
    height: 20px;
}

.transaction-icon.deposit {
    background: var(--success-bg);
    color: var(--success-color);
}

.transaction-icon.transfer-out {
    background: var(--error-bg);
    color: var(--error-color);
}

.transaction-icon.transfer-in {
    background: var(--success-bg);
    color: var(--success-color);
}

.transaction-details {
    flex: 1;
    min-width: 0;
}

.transaction-type {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.transaction-date {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.transaction-amount {
    font-size: 1rem;
    font-weight: 700;
    text-align: right;
}

.transaction-amount.positive {
    color: var(--success-color);
}

.transaction-amount.negative {
    color: var(--error-color);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 32px 16px;
    color: var(--text-secondary);
}

.empty-state svg {
    width: 48px;
    height: 48px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.empty-state p {
    font-size: 0.9375rem;
}

/* ============================================
   MODALS
   ============================================ */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal {
    width: 100%;
    max-width: 400px;
    background: var(--card-background);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transform: translateY(20px) scale(0.95);
    transition: transform var(--transition-normal);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-overlay.show .modal {
    transform: translateY(0) scale(1);
}

.modal-large {
    max-width: 500px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 24px 0;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    width: 36px;
    height: 36px;
    background: var(--background);
    border: none;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.modal-close svg {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
}

.modal-close:hover {
    background: var(--error-bg);
}

.modal-close:hover svg {
    color: var(--error-color);
}

.modal-form {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.modal-body {
    padding: 24px;
}

/* Quick Amount Buttons */
.quick-amounts {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.quick-amount-btn {
    padding: 10px 12px;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    color: var(--primary-orange);
    background: var(--light-orange);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quick-amount-btn:hover {
    border-color: var(--primary-orange);
}

.quick-amount-btn.selected {
    background: var(--primary-orange);
    color: white;
}

/* Full Transaction List in Modal */
.full-list {
    max-height: 400px;
    overflow-y: auto;
}

.full-list::-webkit-scrollbar {
    width: 6px;
}

.full-list::-webkit-scrollbar-track {
    background: var(--background);
    border-radius: 3px;
}

.full-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.full-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */

.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text-primary);
    color: white;
    padding: 14px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

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

.toast.error {
    background: var(--error-color);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast-message {
    font-size: 0.9375rem;
    font-weight: 500;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 480px) {
    .auth-card {
        padding: 32px 24px;
    }

    .logo-icon {
        width: 56px;
        height: 56px;
    }

    .logo-icon svg {
        width: 28px;
        height: 28px;
    }

    .logo-text {
        font-size: 1.5rem;
    }

    .balance-card {
        padding: 24px 20px;
    }

    .balance-amount .amount {
        font-size: 2.25rem;
    }

    .actions-grid {
        gap: 8px;
    }

    .action-card {
        padding: 16px 12px;
    }

    .action-icon {
        width: 40px;
        height: 40px;
    }

    .action-icon svg {
        width: 20px;
        height: 20px;
    }

    .action-label {
        font-size: 0.8125rem;
    }

    .transactions-section {
        padding: 20px 16px;
    }

    .transaction-item {
        padding: 12px;
        gap: 12px;
    }

    .transaction-icon {
        width: 40px;
        height: 40px;
    }

    .quick-amounts {
        grid-template-columns: repeat(2, 1fr);
    }

    .modal {
        margin: 16px;
    }
}

@media (min-width: 768px) {
    .dashboard-main {
        padding: 32px 20px;
        gap: 32px;
    }

    .balance-card {
        padding: 32px;
    }

    .balance-amount .amount {
        font-size: 3rem;
    }

    .actions-grid {
        gap: 16px;
    }

    .action-card {
        padding: 24px 20px;
    }

    .transactions-section {
        padding: 28px;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.hidden {
    display: none !important;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}