/* === GLOBAL STYLES === */
/* CSS variables are loaded via variables.css link tag in HTML */

/* ========== BASE STYLES ========== */
body { 
    font-family: var(--font-family-base);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    font-size: var(--font-size-base);
    min-height: 100vh;
}

/* Standard centered container */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding-x);
    padding-right: var(--container-padding-x);
    box-sizing: border-box;
}

/* Screen-reader only text */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 2px;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
    border-radius: var(--radius-sm);
}

/* ========== TYPOGRAPHY ========== */
h1 { 
    color: var(--color-h1);
    /* background-color: var(--color-text-light); */
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
}

h2 { 
    color: var(--color-h2);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-4xl);
    line-height: 1.4;
}

h3 { 
    color: var(--color-h3);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-top: var(--spacing-5xl);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
    letter-spacing: 1.1px;
}

h4 { 
    color: var(--color-h3);
    font-size: var(--font-size-mlg);
    font-weight: var(--font-weight-semibold);
    margin-top: var(--spacing-5xl);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

p { 
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

a { 
    color: var(--color-text-secondary);
    /* text-decoration: underline var(--color-accent-orange) 2px; */
    text-underline-offset: 4px;
    /* font-weight: var(--font-weight-semibold);*/
    /* background-color: gainsboro; */
}

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

small {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

small.helper {
    display: block;
    color: var(--color-text-tertiary);
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
}

/* ========== FORM ELEMENTS ========== */
input[type="email"], 
input[type="password"], 
input[type="text"], 
input[type="number"] { 
    margin-bottom: 10px; 
    display: block; 
    padding: var(--spacing-sm); 
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    border: 1px solid var(--color-border-input); 
    border-radius: var(--radius-sm); 
}

select,
input[type="text"],
textarea {
    width: 100%;
    padding: var(--spacing-sm) 10px;
    border: 1px solid var(--color-border-input);
    border-radius: var(--radius-xl);
    box-sizing: border-box;
    font-size: var(--font-size-base);
    font-family: inherit;
}

textarea {
    min-height: 220px;
    resize: vertical;
}

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-normal);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

input[type="file"]:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.form-group {
    margin-bottom: var(--spacing-xl);
    display: block;
}

/* ========== BUTTONS ========== */
/* Unified button styles - use class="button" on any element to style as a button */
.button {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg-blue);
    color: var(--color-text-white); 
    border: none; 
    border-radius: var(--radius-lg); 
    cursor: pointer; 
    margin-right: 10px; 
    margin-top: 5px;
    font-family: var(--font-family-base);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    transition: background-color var(--transition-base), transform var(--transition-fast);
    /* filter: drop-shadow(var(--shadow-lg)); */
}

/* Primary button variant - Generate Audio, Generate Custom Voice */
.button-primary {
    /* background-color: var(--color-info-swal); */
    /* border: 1px solid var(--color-accent-blue); */
    background: linear-gradient(135deg, var(--color-info), var(--color-bg-blue), var(--color-info));
    color: var(--color-text-white); 
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md) var(--spacing-md);
}

.button-primary:hover {
    background-color: var(--color-info-swal-darker);
    /* color: var(--color-text-white) !important;
    font-size: var(--font-size-md) */
    font-weight: var(--font-weight-bold);
}

/* Block button variant */
.button--block {
    display: block;
    width: 100%;
    box-sizing: border-box;
    font-family: var(--font-family-base);
}

.button:hover { 
    background-color: var(--color-info-swal-darker); 
    color: var(--color-text-white);
    transform: translateY(-1px);
    /* filter: drop-shadow(var(--shadow-lg)); */
}

.button:disabled,
.button[disabled],
.button.disabled {
    background-color: #b3d7ff;
    cursor: not-allowed;
    opacity: 0.7;
}

.button.disabled:hover {
    background-color: #b3d7ff;
    transform: none;
}

/* Remove text decoration from button links */
a.button {
    text-decoration: none;
}

a.button:hover {
    text-decoration: none;
}

/* Small button variant (for compact buttons like Clear Text) */
.button-sm {
    font-size: var(--font-size-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    margin: 0;
    border: 1px solid var(--color-border-dark);
    background-color: var(--color-bg-lighter);
    color: var(--color-text-primary); 
}

.button-sm:hover {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary); 
}

/* Button color variations */
.button.red { 
    background-color: var(--color-accent-red);
    color: var(--color-text-white);
}

.button.red:hover { 
    background-color: var(--color-accent-red-hover); 
    color: var(--color-text-white);
}

.button.orange { 
    background-color: var(--color-accent-orange); 
    color: var(--color-text-white);
}

.button.orange:hover { 
    background-color: var(--color-accent-orange-hover); 
    transform: translateY(-1px);
}

.button.google { 
    background-color: var(--color-google); 
    color: var(--color-text-white);
}

.button.google:hover { 
    background-color: var(--color-google-hover); 
    color: var(--color-text-white);
    transform: translateY(-1px);
}

/* Reset Audio Synth. Settings, Upload Text, Cleat Text buttons */
.secondary-button {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary); 
    font-family: var(--font-family-base);
    flex: 0 0 auto;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    margin: 0;
    /* filter: drop-shadow(var(--shadow-lg)); */
}

.secondary-button:hover {
    background-color: var(--color-border-light);
    color: var(--color-text-primary); 
}

.secondary-button.disabled {
    background-color: var(--color-secondary-light) !important;
    cursor: not-allowed;
    opacity: 0.7;
}

.secondary-button.disabled:hover {
    background-color: var(--color-secondary-light) !important;
}

/* ========== STATUS MESSAGES ========== */
.success { 
    color: var(--color-success); 
    font-weight: var(--font-weight-bold); 
}

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

.warning { 
    color: var(--color-h3); 
    font-weight: var(--font-weight-normal); 
}

#status-message {
    padding: 15px;
    margin-top: 15px;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    text-align: center;
}

/* Generic alerts (replaces inline colored boxes) */
.alert {
    display: block;
    padding: 10px 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-warning-border);
    background-color: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.alert--info {
    background-color: var(--color-info);
    border-color: var(--color-info-border);
    color: var(--color-info-text);
}

.alert--warning {
    letter-spacing: 0.5px;
    border-left: 4px solid var(--color-accent-orange);
}

.alert--success {
    background-color: var(--color-bg-primary);
    border-color: var(--color-accent-orange);
    color: var(--color-text-secondary);
}

.alert--error {
    background-color: var(--color-error-bg);
    border-color: var(--color-error-border);
    color: var(--color-error-text);
}

.alert a {
    color: inherit;
    font-weight: var(--font-weight-semibold);
    text-decoration: underline;
}

/* Panels (simple card-like blocks used in Home instructions/status) */
.panel {
    border: 1px solid var(--color-border-lighter);
    border-radius: var(--radius-xl);
    background-color: var(--color-bg-primary);
    padding: 15px 30px 20px;
    box-shadow: var(--shadow-sm);
    margin-left: var(--spacing-md);
}

.panel--muted {
    background-color: var(--color-bg-tertiary);
    border-color: var(--color-border-dark);
}

.panel--info {
    background-color: var(--color-bg-primary);
    border-color: var(--color-info-border);
    border-left: 4px solid var(--color-accent-blue);
    margin-bottom: var(--spacing-md);
}

.panel-free-tier {
    border-color: var(--color-info-border);
    border-left: 4px solid var(--color-accent-orange);
    padding-left: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-9xl);
    margin-left: var(--spacing-lg);
    margin-right: 50px;
    letter-spacing: 1.5px;
}

.panel-beta-promo {
    border-color: var(--color-info-border);
    border-left: 4px solid var(--color-accent-orange);
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-5xl);
    margin-left: var(--spacing-lg);
    margin-right: 50px;
    letter-spacing: 1.5px;
}

.panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.panel__title {
    margin: 10px 0px;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent-blue-dark);
}

.panel__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* Info text helper */
.text-info {
    color: var(--color-text-light);
}

/* Inline radio group row */
.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 8px;
}

.radio-option {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.radio-option input[type="radio"] {
    margin: 0;
}

/* Home page controls: sliders + radio buttons (use theme accent colors) */
#speed-slider,
#pitch-slider,
#volume-slider,
#mode-short,
#mode-long {
    accent-color: var(--color-h1);
}

#speed-slider:hover,
#pitch-slider:hover,
#volume-slider:hover,
#speed-slider:active,
#pitch-slider:active,
#volume-slider:active,
#speed-slider:focus-visible,
#pitch-slider:focus-visible,
#volume-slider:focus-visible,
#mode-short:hover,
#mode-long:hover,
#mode-short:active,
#mode-long:active,
#mode-short:focus-visible,
#mode-long:focus-visible,
#mode-short:checked,
#mode-long:checked {
    accent-color: var(--color-h2);
}

/* Hidden file input used with <label for="..."> buttons */
.file-input-hidden {
    display: none;
}

/* Full-width wrapper for primary CTA buttons */
.button-wrap {
    width: 100%;
}

/* Byte counter highlighting (over byte limit) */
.byte-counter--overlimit {
    color: var(--color-error);
    font-weight: var(--font-weight-bold);
}

/* Progress bar */
.progress {
    background-color: var(--color-border-dark);
    height: 25px;
    border-radius: 12px;
    overflow: hidden;
    margin: 10px 0;
}

.progress__bar {
    background-color: var(--color-success);
    height: 100%;
    width: 0%;
    transition: width 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-white);
    font-weight: var(--font-weight-bold);
    font-size: 12px;
}

/* ========== UTILITY CLASSES ========== */
.hidden {
    display: none !important;
}

/* SweetAlert2: ensure inputs never overflow the modal width */
.swal2-popup .swal2-input,
.swal2-popup .swal2-textarea,
.swal2-popup .swal2-select {
    box-sizing: border-box !important;
    /* Add horizontal breathing room without overflowing the popup */
    width: calc(100% - (var(--spacing-md) + var(--spacing-md))) !important;
    max-width: 100% !important;
    min-width: 0 !important;
    /* SweetAlert2 default styles use horizontal margins; with full width this can overflow */
    margin-left: var(--spacing-md) !important;
    margin-right: var(--spacing-md) !important;
}

/* Simple spacing utility for message blocks */
.notice {
    margin: 15px 0 35px;
    font-size: var(--font-size-sm);
    letter-spacing: 0.5px;
}

.section-title { 
    /* border-bottom: 1px solid var(--color-border-medium); */
    padding-bottom: var(--spacing-lg);
    margin-bottom: 24x;
}

/* ========== LAYOUT ========== */
.page-content {
    /* border: 1px solid var(--color-border-lighter); */
    max-width: var(--container-max-width);
    margin: var(--spacing-6xl) auto;
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-radius: var(--radius-xl);
    /* background-color: var(--color-bg-lightest); */
    /* box-shadow: var(--shadow-sm); */
    box-sizing: border-box;
}

.h1-background {
    /* background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-info) 100%); */
    /* background-color: var(--color-bg-tertiary); */
    font-weight: var(--font-weight-semibold);
    /* box-shadow: var(--shadow-sm); */
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    border: 2px solid var(--color-bg-blue);
    padding: var(--spacing-md) var(--spacing-7xl) var(--spacing-xl);
}

.app-layout-container {
    display: flex;
    flex-wrap: nowrap;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: 0 var(--spacing-sm);
    box-sizing: border-box;
    margin-top: var(--spacing-lg);
}

.sidebar {
    width: 320px;
    min-width: 260px;
    border-right: 1px solid var(--color-border-medium);
    /*border: 1px solid var(--color-border-medium);*/
    padding-right: var(--spacing-4xl);
}

.main-content {
    flex: 1;
    padding-left: var(--spacing-xl);
    /*border: 1px solid var(--color-border-medium);*/
}

/* ========== HEADER ========== */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-max-width);
    margin: var(--spacing-xl) auto var(--spacing-2xl);
    padding: 15px var(--container-padding-x);
    /* border: 1px solid var(--color-border-lighter);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    background-color: var(--color-bg-primary); */
    box-sizing: border-box;
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    border: 1px solid var(--color-border-lighter);
    border-radius: var(--radius-md);
    padding: 8px 10px;
    cursor: pointer;
    color: var(--color-text-primary);
}

.nav-toggle:hover {
    border-color: var(--color-border-dark);
}

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

.brand-logo {
    min-width: 200px;
}

.brand-logo a {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    max-width: 100%;
    transition: transform 0.25s ease, filter 0.25s ease;
}

.brand-logo__image {
    display: block;
    width: auto;
    height: 52px;
    max-width: min(100%, 220px);
}

/* efekt po najechaniu */
.brand-logo a:hover {
    transform: translateY(-2px);
}

.main-nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
}

.main-nav li {
    margin: 0 var(--spacing-md);
}

.main-nav a {
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    font-size: 1.15rem;
}

.main-nav a:hover {
    color: var(--color-primary-hover);
    font-weight: var(--font-weight-semibold);
    background-color: var(--color-bg-secondary);
}

.main-nav a.active-page {
    font-weight: var(--font-weight-semibold);
    color: var(--color-secondary);
    /* background-color: var(--color-bg-tertiary); */
    border: 2px solid var(--color-accent-orange);
}

.header-credits {
    font-weight: 550;
    text-decoration: underline var(--color-accent-orange) 2px;
    text-underline-offset: 15px;
}

.orange-underline {
    text-decoration: underline var(--color-accent-orange) 4px;
    text-underline-offset: 10px;
}

.orange-text {
    color: var(--color-accent-orange);
}

.auth-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    min-width: 280px;
    justify-content: flex-end;
}

#header-credits-status {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    white-space: nowrap;
    min-width: 100px;
}

#header-auth-status {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    white-space: nowrap;
    min-width: 80px;
}

.auth-section .button, 
.auth-section button {
    margin: 0;
    padding: 7px 14px;
    font-size: var(--font-size-xs);
    white-space: nowrap;
}

/* ========== FOOTER ========== */ 
.main-footer {
    padding: var(--spacing-6xl) var(--spacing-xl) var(--spacing-xl) var(--spacing-xl);
    margin-top: var(--spacing-8xl);
    /*border-top: 1px solid var(--color-border-light);*/
    text-align: center;
    /* color: var(--color-text-white);*/
    background-color: var(--color-bg-tertiary);
}

.footer-links {
    margin-bottom: 15px;
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    margin: 0 10px;
}

.footer-links a:hover {
    color: var(--color-text-tertiary);
    text-decoration: none;
    /* filter: drop-shadow(var(--shadow-2xl)); */
}

.footer-links a.active-page {
    text-decoration: underline;
    font-weight: var(--font-weight-normal);
    color: var(--color-text-secondary);
}

.footer-copyright {
    font-size: var(--font-size-sm);
    margin: var(--spacing-2xl) 0 0 0;
    color: var(--color-text-muted);
}

/* ========== TEXT CONTROLS ========== */
.char-count {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    display: inline-block;
    margin-right: var(--spacing-xl);
}

.text-controls-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--spacing-sm);
    gap: var(--spacing-md);
}

.text-controls-left {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
}

.text-controls-center {
    flex: 0 0 auto;
    display: flex;
    justify-content: center;
}

.text-controls-center button {
    margin: 0;
    height: auto;
} 

.text-controls-right {
    flex: 1 1 auto;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    text-align: right;
}

.text-controls-right .char-count {
    margin-top: 0;
    margin-right: 0;
    margin-left: 15px;
}

#generate-button {
    width: 100%;
    margin-top: 15px;
    margin-right: 0;
}

/* ========== AUDIO OUTPUT ========== */
.audio-output-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    margin-top: 15px;
}

#audio-player {
    flex: 1 1 auto;
    max-width: 500px;
}

/* ========== PROFILE PAGE ========== */
.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
}

/* .profile-left {
    This column holds the editable fields
} */

/* .profile-right {
    This column holds the read-only stats
} */

.grey-box {
    /* background: linear-gradient(135deg, var(--color-bg-lighter) 0%, var(--color-bg-light) 100%);*/
    /* background-color: var(--color-bg-lighter);*/
    /* box-shadow: var(--shadow-md); */
    /* border: 1px solid var(--color-border-lighter); */
    border-radius: var(--radius-md);
    padding: 10px 45px;
    margin-bottom: var(--spacing-2xl);
    /* margin-left: var(--spacing-sm); */
}

/* Text box for text pages like Terms, Privacy, About */
.text-box {
    /* background-color: var(--color-bg-lightest);*/
    /* box-shadow: var(--shadow-md); */
    /* border: 1px solid var(--color-border-light); */
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-xl) 0 var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    /* margin-left: var(--spacing-sm); */
}

.synth-box {
    background-color: var(--color-bg-lightest);
    border: 1px solid var(--color-border-lighter);
    border-radius: var(--radius-lg);
    /* padding: 15px;
    margin-bottom: var(--spacing-xl); */
}

.stats-box {
    background-color: var(--color-bg-lightest);
    /* box-shadow: var(--shadow-md); */
    /* border: 1px solid var(--color-border-lighter); */
    border-radius: var(--radius-xl);
    padding: 20px 30px;
    margin-bottom: var(--spacing-xl);
}

.stats-box h3 {
    margin-top: 0;
    /* border-bottom: 1px solid var(--color-border-input); */
    padding-bottom: 10px;
}

#profileDisplayCredits {
    font-size: 1.2em;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.usage-stats-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.usage-stats-list li {
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
    border-bottom: 1px solid #eee;
    font-size: var(--font-size-sm);
}

.usage-stats-list li:last-child {
    border-bottom: none;
}

.usage-stats-list .model-name {
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.usage-stats-list .model-usage {
    color: var(--color-text-secondary);
}

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

/* ========== AUTH FORMS ========== */
#authFormsContainer {
    display: none;
    flex-direction: column;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background-color: var(--color-bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    opacity: 0;
    transition: opacity var(--transition-base);
}

#authFormsContainer.show {
    display: flex;
    opacity: 1;
}

/* ========== TABLES ========== */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    margin: var(--spacing-xl) 0;
}

table thead {
    background-color: var(--color-bg-tertiary);
    /* border-bottom: 1px solid var(--color-border-dark); */
    border-collapse: collapse;
}

table th {
    padding: var(--spacing-md) 14px;
    text-align: left;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    /* border: 1px solid var(--color-border-dark); */
    border-collapse: collapse;
}

table td {
    padding: 10px 14px;
    text-align: left;
    border-collapse: collapse;
    /* border: 1px solid var(--color-border-dark); */
    color: var(--color-text-secondary);
}

table tbody tr:nth-child(even) {
    background-color: var(--color-bg-lighter);
}

table tbody tr:hover {
    background-color: var(--color-bg-tertiary);
    transition: background-color 0.15s ease;
}

/* .short-operations-table,
.long-operations-table,
.transaction-history-table,
.details-table {
    Inherit base table styles
} */

.no-operations,
.no-transactions {
    color: var(--color-text-muted);
    font-style: italic;
    text-align: center;
    padding: var(--spacing-2xl) 0;
    font-size: var(--font-size-sm);
}

.transaction-history-box {
    margin-top: var(--spacing-2xl);
}

.transaction-history-table td:nth-child(2),
.transaction-history-table td:nth-child(3) {
    text-align: right;
}

.transaction-history-table th:nth-child(2),
.transaction-history-table th:nth-child(3) {
    text-align: right;
}

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 1200px) {
    .app-layout-container {
        gap: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    body {
        font-size: var(--font-size-sm);
    }

    h1 {
        font-size: 1.6rem;
    }

    h2 {
        font-size: 1.3rem;
    }

    h3 {
        font-size: var(--font-size-md);
    }

    .main-header {
        flex-direction: column;
        align-items: stretch;
        margin: var(--spacing-md);
        padding: var(--spacing-md);
    }

    .brand-logo {
        text-align: center;
        margin-bottom: var(--spacing-md);
        min-width: auto;
    }

    .brand-logo__image {
        height: 44px;
        max-width: min(100%, 200px);
    }

    .main-nav ul {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .main-nav li {
        margin: 0;
    }
    
    .auth-section {
        justify-content: center;
        min-width: auto;
        margin-top: var(--spacing-md);
        flex-wrap: wrap;
    }

    .app-layout-container {
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-md);
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--color-border-medium);
        padding-right: 0;
        padding-bottom: var(--spacing-xl);
        margin-bottom: var(--spacing-xl);
    }

    .main-content {
        width: 100%;
        max-width: 100%;
        padding-left: 0;
    }

    .page-content {
        margin: var(--spacing-lg);
        padding: var(--spacing-lg);
    }

    .h1-background {
        padding: var(--spacing-md) var(--spacing-2xl) var(--spacing-md);
    }

    .profile-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
    
    .pricing-table-container {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-lg) !important;
    }
    
    #authFormsContainer {
        max-width: 100% !important;
        padding: 0 10px;
    }
    
    .text-controls-row {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
    
    .text-controls-left,
    .text-controls-center,
    .text-controls-right {
        justify-content: center;
        text-align: center;
    }
    
    .text-controls-right {
        flex-direction: column;
    }
    
    .text-controls-right .char-count {
        margin-left: 0;
        margin-top: var(--spacing-xs);
    }
    
    .audio-output-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    #audio-player {
        max-width: 100%;
        width: 100%;
    }

    #download-link {
        width: auto;
        max-width: 100%;
        align-self: center;
        box-sizing: border-box;
        text-align: center;
        white-space: normal;
    }
    
    .secondary-button {
        width: 100%;
        text-align: center;
    }

    /* Keep instruction header buttons content-sized on mobile */
    #hide-short-instructions-btn,
    #hide-long-instructions-btn {
        width: auto;
        max-width: 100%;
        white-space: normal;
    }

    /* Allow panel headers to wrap instead of overflowing */
    .panel__header {
        flex-wrap: wrap;
        justify-content: flex-start;
    }

    .panel__title {
        flex: 1 1 100%;
    }
}

@media (max-width: 480px) {
    .button {
        padding: 9px var(--spacing-md);
        font-size: var(--font-size-xs);
    }

    .page-content {
        margin: var(--spacing-md);
        padding: var(--spacing-md);
    }

    .h1-background {
        padding: var(--spacing-md) var(--spacing-2xl) var(--spacing-md);
    }
    
    h1 {
        font-size: 1.4rem;
    }
    
    h2 {
        font-size: 1.2rem;
    }
    
    .main-nav a {
        font-size: var(--font-size-xs);
    }
}