/* PSP Clone - Design System */
/* Based on captured styles from poppyseedpets.com */

:root {
    /* Core Colors */
    --color-primary: rgb(34, 85, 136);
    --color-primary-rgb: 34, 85, 136;
    --color-link-and-button: rgb(68, 119, 170);
    --color-link-rgb: 68, 119, 170;

    /* Background & Content */
    --color-content-background: rgb(34, 34, 34);
    --color-content-bg-rgb: 34, 34, 34;
    --color-page-background: rgb(17, 17, 17);
    --color-tab-bar-background: rgb(85, 85, 85);

    /* Text */
    --color-text: rgb(238, 238, 238);
    --color-text-rgb: 238, 238, 238;
    --color-text-muted: rgb(128, 128, 128);
    --color-text-on-button: rgb(255, 255, 255);
    --color-text-on-primary: rgb(255, 255, 255);

    /* Input */
    --color-input-background: rgb(255, 255, 255);
    --color-input-foreground: rgb(51, 51, 51);

    /* Status Colors */
    --color-success: rgb(34, 136, 68);
    --color-gain: rgb(34, 136, 68);
    --color-warning: rgb(204, 68, 34);
    --color-tool-bonus: rgb(0, 204, 204);

    /* Speech Bubbles */
    --color-speech-bubble-background: rgb(0, 0, 0);
    --color-link-on-speech-bubble: rgb(68, 119, 170);

    /* Typography */
    --font-family: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
    --font-size: 17px;
    --bold-weight: 600;
    --normal-weight: 300;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Z-Index */
    --z-index-affection: 1;
    --z-index-nav: 2;
    --z-index-header: 3;
    --z-index-dialog: 4;
    --z-index-errors: 5;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

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

html {
    font-size: var(--font-size);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-weight: var(--normal-weight);
    background: var(--color-page-background);
    color: var(--color-text);
    min-height: 100vh;
    line-height: 1.5;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--bold-weight);
    line-height: 1.3;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.2rem; }

a {
    color: var(--color-link-and-button);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

a:hover {
    opacity: 0.8;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    font-weight: var(--bold-weight);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-link-and-button);
    color: var(--color-text-on-button);
}

.btn-primary:hover {
    filter: brightness(1.1);
}

.btn-primary:active {
    filter: brightness(0.95);
}

.btn-secondary {
    background: transparent;
    color: var(--color-link-and-button);
    border: 1px solid var(--color-link-and-button);
}

.btn-secondary:hover {
    background: rgba(var(--color-link-rgb), 0.1);
}

.btn-text, .link-text {
    background: transparent;
    color: var(--color-link-and-button);
    padding: 0;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
}

.btn-text:hover, .link-text:hover {
    text-decoration: underline;
}

.btn:disabled, .btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Form Elements */
input, select, textarea {
    font-family: inherit;
    font-size: 1rem;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(var(--color-text-rgb), 0.2);
    border-radius: var(--radius-sm);
    background: var(--color-input-background);
    color: var(--color-input-foreground);
    transition: border-color var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-link-and-button);
}

input::placeholder {
    color: var(--color-text-muted);
}

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--bold-weight);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

/* Cards */
.card {
    background: var(--color-content-background);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.card-header {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(var(--color-text-rgb), 0.1);
}

/* Layout */
.container {
    max-width: 960px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

.flex {
    display: flex;
}

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

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-col {
    flex-direction: column;
}

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* App Shell */
#app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.app-header {
    background: var(--color-content-background);
    padding: var(--spacing-md);
    position: sticky;
    top: 0;
    z-index: var(--z-index-header);
    border-bottom: 1px solid rgba(var(--color-text-rgb), 0.1);
}

.app-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: var(--bold-weight);
    color: var(--color-text);
}

.logo span {
    color: var(--color-link-and-button);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text);
}

.user-money {
    color: var(--color-tool-bonus);
    font-weight: var(--bold-weight);
}

/* Navigation */
.main-nav {
    background: var(--color-tab-bar-background);
    padding: var(--spacing-sm) var(--spacing-md);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.main-nav .container {
    display: flex;
    gap: var(--spacing-xs);
    padding: 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    white-space: nowrap;
    transition: background var(--transition-fast);
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    opacity: 1;
}

.nav-item.active {
    background: var(--color-primary);
    color: var(--color-text-on-primary);
}

.nav-item i {
    font-size: 1.1rem;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--spacing-lg) var(--spacing-md);
}

/* Page Header */
.page-header {
    margin-bottom: var(--spacing-lg);
}

.page-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.page-subtitle {
    color: var(--color-text-muted);
}

/* Speech Bubble */
.speech-bubble {
    background: var(--color-speech-bubble-background);
    color: var(--color-text);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm) var(--radius-sm) var(--radius-sm) 0;
    position: relative;
    display: inline-block;
}

.speech-bubble a {
    color: var(--color-link-on-speech-bubble);
}

/* Item Grid */
.item-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.item-card {
    background: var(--color-content-background);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: transform var(--transition-fast);
}

.item-card:hover {
    transform: translateY(-2px);
}

.item-image {
    width: 64px;
    height: 64px;
    background: rgba(var(--color-text-rgb), 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}

.item-info {
    flex: 1;
    min-width: 0;
}

.item-name {
    font-weight: var(--bold-weight);
    margin-bottom: var(--spacing-xs);
}

.item-price {
    color: var(--color-tool-bonus);
    font-weight: var(--bold-weight);
}

.item-description {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Pet Display */
.pet-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    justify-content: center;
}

.pet-card {
    background: var(--color-content-background);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    min-width: 200px;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.pet-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.pet-image {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-md);
    background: rgba(var(--color-text-rgb), 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.pet-name {
    font-size: 1.2rem;
    font-weight: var(--bold-weight);
    margin-bottom: var(--spacing-xs);
}

.pet-species {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.pet-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    font-size: 0.85rem;
}

.pet-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pet-stat-label {
    color: var(--color-text-muted);
    font-size: 0.75rem;
}

.pet-stat-value {
    font-weight: var(--bold-weight);
}

.pet-stat-value.good {
    color: var(--color-success);
}

.pet-stat-value.warning {
    color: var(--color-warning);
}

/* Modal / Dialog */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-index-dialog);
    padding: var(--spacing-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal {
    background: var(--color-content-background);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(var(--color-text-rgb), 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: var(--bold-weight);
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    line-height: 1;
}

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

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(var(--color-text-rgb), 0.1);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* Loading */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(var(--color-text-rgb), 0.2);
    border-top-color: var(--color-link-and-button);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Messages */
.message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.message-success {
    background: rgba(34, 136, 68, 0.2);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.message-error {
    background: rgba(204, 68, 34, 0.2);
    border: 1px solid var(--color-warning);
    color: var(--color-warning);
}

.message-info {
    background: rgba(68, 119, 170, 0.2);
    border: 1px solid var(--color-link-and-button);
    color: var(--color-link-and-button);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 1px solid rgba(var(--color-text-rgb), 0.1);
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
}

.tab {
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-family: inherit;
    font-size: 1rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.tab:hover {
    color: var(--color-text);
}

.tab.active {
    color: var(--color-link-and-button);
    border-bottom-color: var(--color-link-and-button);
}

/* Lists */
.list {
    display: flex;
    flex-direction: column;
}

.list-item {
    padding: var(--spacing-md);
    border-bottom: 1px solid rgba(var(--color-text-rgb), 0.1);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.list-item:last-child {
    border-bottom: none;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-primary { color: var(--color-link-and-button); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.hidden { display: none !important; }

/* Auth Pages */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.auth-card {
    background: var(--color-content-background);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    width: 100%;
    max-width: 400px;
}

.auth-logo {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.auth-logo h1 {
    font-size: 2rem;
}

.auth-logo h1 span {
    color: var(--color-link-and-button);
}

.auth-form .form-group {
    margin-bottom: var(--spacing-lg);
}

.auth-form input {
    width: 100%;
}

.auth-form .btn {
    width: 100%;
    padding: var(--spacing-md);
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        --font-size: 15px;
    }

    .main-nav .container {
        padding: 0 var(--spacing-sm);
    }

    .nav-item span {
        display: none;
    }

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

    .pet-container {
        flex-direction: column;
        align-items: center;
    }

    .header-actions {
        gap: var(--spacing-sm);
    }
}