/* ============================================
   CHINESE OCR READER - MAIN STYLESHEET
   ============================================
   This file imports modular CSS and provides
   global resets, base element styles, and 
   common animations.
   ============================================ */

/* ============================================
   VARIABLE MODULES
   ============================================ */
@import url('./variables/colors.css');
@import url('./variables/typography.css');
@import url('./variables/spacing.css');

/* ============================================
   UTILITY MODULES
   ============================================ */
@import url('./utilities/display.css');
@import url('./utilities/spacing.css');
@import url('./utilities/typography.css');

/* ============================================
   LAYOUT MODULES
   ============================================ */
@import url('./layout/grid.css');
@import url('./layout/header.css');
@import url('./layout/sidebar.css');

/* ============================================
   COMPONENT MODULES
   ============================================ */
@import url('./components/buttons.css');
@import url('./components/forms.css');
@import url('./components/cards.css');
@import url('./components/modals.css');
@import url('./components/navigation.css');
@import url('./components/prompts.css');

/* ============================================
   PAGE MODULES
   ============================================ */
@import url('./pages/landing.css');
@import url('./pages/projects.css');
@import url('./pages/books.css');
@import url('./pages/reader.css');

/* ============================================
   GLOBAL RESETS & BASE STYLES
   ============================================ */

html {
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
}

*,
*::before,
*::after {
    box-sizing: inherit;
}

/* ============================================
   BASE TYPOGRAPHY
   ============================================ */

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
    letter-spacing: var(--letter-spacing-tight);
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

h5 {
    font-size: var(--font-size-lg);
}

h6 {
    font-size: var(--font-size-md);
}

p {
    margin: 0 0 var(--space-16) 0;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-standard);
}

a:hover {
    color: var(--color-primary-hover);
}

/* ============================================
   APP STRUCTURE
   ============================================ */

.app {
    min-height: 100vh;
    background-color: var(--color-background);
}

.view {
    display: none;
}

.view.active {
    display: block;
}

/* ============================================
   COMMON ANIMATIONS
   ============================================ */

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

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

/* ============================================
   NOTIFICATION SYSTEM
   ============================================ */

.notifications-container {
    position: fixed;
    bottom: var(--space-16);
    right: var(--space-16);
    z-index: 9999;
    pointer-events: none;
    display: flex;
    flex-direction: column-reverse; /* Новые тосты появляются снизу */
}

.notification {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-16);
    margin-bottom: var(--space-8);
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    max-width: 400px;
    pointer-events: auto;
    animation: slideIn 0.3s ease-out;
    display: flex;
    align-items: flex-start;
    gap: var(--space-12);
}

.notification.success {
    border-left: 4px solid var(--color-success);
}

.notification.error {
    border-left: 4px solid var(--color-error);
}

.notification.warning {
    border-left: 4px solid var(--color-warning);
}

.notification.info {
    border-left: 4px solid var(--color-primary);
}

.notification-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 2px;
}

.notification-content {
    flex: 1;
}

.notification-title {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-4);
    color: var(--color-text-primary);
}

.notification-message {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.notification-close {
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.notification-close:hover {
    background: var(--color-gray-100);
    color: var(--color-text-primary);
}

.notification.removing {
    animation: slideOut 0.3s ease-in forwards;
}