/**
 * Base Styles - Reset and Foundation
 */

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Focus styles */
:focus {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Links */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Images */
img,
svg {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

/* Lists */
ul,
ol {
    list-style: none;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--text-primary);
}

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-base);
}

p {
    margin-bottom: var(--spacing-4);
}

small {
    font-size: var(--font-size-sm);
}

strong,
b {
    font-weight: var(--font-weight-semibold);
}

/* Form elements base */
input,
button,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

/* Tables */
table {
    border-collapse: collapse;
    width: 100%;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray-600);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-500);
}

/* Selection */
::selection {
    background: var(--color-primary);
    color: var(--text-inverse);
}

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

/* Prevent caret appearance on non-input elements - main containers */
.main-content,
.section-header,
.navbar,
.bottom-nav,
.slot-card,
.medication-card,
.card,
.btn,
div:not([role="textbox"]):not([contenteditable]),
section,
article,
header,
footer {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    cursor: default;
}

/* Hide caret on non-input divs */
div:not([role="textbox"]):not([contenteditable]) {
    caret-color: transparent !important;
}

/* Allow caret and text selection only on actual inputs and textareas */
input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="submit"]):not([type="button"]):not([type="reset"]),
textarea,
[contenteditable="true"],
[role="textbox"] {
    cursor: text;
    user-select: text !important;
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    -ms-user-select: text !important;
    caret-color: auto !important;
}

/* Allow text selection in paragraphs and headings */
p, h1, h2, h3, h4, h5, h6 {
    user-select: text !important;
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    -ms-user-select: text !important;
}

/* Allow text selection in text spans */
span.text-primary,
span.text-secondary,
span.text-muted,
.slot-med-name,
.medication-name,
.section-title,
.form-label,
.form-hint,
.text-muted,
.toast-message {
    user-select: text !important;
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    -ms-user-select: text !important;
}

/* Main content area */
.main-content {
    flex: 1;
    padding: var(--spacing-4);
    padding-top: calc(var(--navbar-height) + var(--safe-area-inset-top) + var(--spacing-4));
    padding-bottom: calc(var(--bottom-nav-height) + var(--spacing-4) + var(--safe-area-inset-bottom));
    max-width: var(--max-content-width);
    margin: 0 auto;
    width: 100%;
}

@media (min-width: 768px) {
    .main-content {
        padding: var(--spacing-6);
        padding-top: calc(var(--navbar-height) + var(--safe-area-inset-top) + var(--spacing-6));
        padding-bottom: var(--spacing-6);
    }
}

/* Loading screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    z-index: var(--z-modal);
    gap: var(--spacing-4);
}

.loading-screen.hidden {
    display: none;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-card);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Utility classes */
.hidden {
    display: none !important;
}

.invisible {
    visibility: hidden;
}

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

.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.text-primary {
    color: var(--color-primary);
}

.text-secondary {
    color: var(--text-secondary);
}

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

.text-success {
    color: var(--color-success);
}

.text-warning {
    color: var(--color-warning);
}

.text-error {
    color: var(--color-error);
}

.font-medium {
    font-weight: var(--font-weight-medium);
}

.font-semibold {
    font-weight: var(--font-weight-semibold);
}

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

.text-sm {
    font-size: var(--font-size-sm);
}

.text-lg {
    font-size: var(--font-size-lg);
}

.text-xl {
    font-size: var(--font-size-xl);
}

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

.mt-2 {
    margin-top: var(--spacing-2);
}

.mt-4 {
    margin-top: var(--spacing-4);
}

.mt-6 {
    margin-top: var(--spacing-6);
}

.mb-2 {
    margin-bottom: var(--spacing-2);
}

.mb-4 {
    margin-bottom: var(--spacing-4);
}

.mb-6 {
    margin-bottom: var(--spacing-6);
}

.flex {
    display: flex;
}

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

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-2 {
    gap: var(--spacing-2);
}

.gap-4 {
    gap: var(--spacing-4);
}

.w-full {
    width: 100%;
}

/* Fade transitions */
.fade-enter {
    opacity: 0;
    transform: translateY(10px);
}

.fade-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.fade-exit {
    opacity: 1;
}

.fade-exit-active {
    opacity: 0;
    transition: opacity var(--transition-fast);
}

/* Page transitions */
.page {
    animation: pageEnter 0.25s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.page-exit {
    animation: pageExit 0.2s cubic-bezier(0.4, 0, 1, 1) forwards !important;
}

@keyframes pageEnter {
    from {
        opacity: 0;
        transform: translateY(15px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pageExit {
    from {
        opacity: 1;
        transform: translateY(0);
    }

    to {
        opacity: 0;
        transform: translateY(15px);
    }
}

/* Install prompt */
.install-prompt {
    position: fixed;
    bottom: calc(var(--bottom-nav-height) + var(--spacing-4) + var(--safe-area-inset-bottom));
    left: var(--spacing-4);
    right: var(--spacing-4);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
    animation: slideUp var(--transition-base) ease-out;
}

@media (min-width: 768px) {
    .install-prompt {
        left: auto;
        right: var(--spacing-6);
        bottom: var(--spacing-6);
        max-width: 400px;
    }
}

.install-prompt.hidden {
    display: none;
}

.install-prompt-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

@media (min-width: 480px) {
    .install-prompt-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.install-prompt-actions {
    display: flex;
    gap: var(--spacing-2);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scale - scale content to 110% on all devices */
html {
    font-size: 17.6px;
    /* 16px * 1.1 = 17.6px */
}