/* ============================================
   OVERLOADER33 - CSS STYLES
   ============================================ */

/* === CSS VARIABLES === */
:root {
    /* Base Colors */
    --color-black: #000000;
    --color-white: #f4e9cc;
    --color-gray-light: #F0F0F0;
    --color-gray: #DDDDDD;
    --color-gray-dark: #676767;
    --color-gray-darker: #333333;
    
    /* Primary Palette - Blue-Orange Complementary */
    --color-primary: #fcbf08;
    --color-primary-light: #7BA3F5;
    --color-primary-dark: #3D6FCC;
    
    --color-secondary: #FF6B47;
    --color-secondary-light: #FF8C6B;
    --color-secondary-dark: #E04A2F;
    
    --color-tertiary: #7edea9;
    --color-tertiary-light: #B59AEE;
    --color-tertiary-dark: #7B5FC7;
    
    --color-accent: #4ECDC4;
    --color-accent-light: #18ed00;
    --color-accent-dark: #2EB5AC;
    
    --color-warning: #FFB84D;
    --color-warning-light: #FFC970;
    --color-warning-dark: #ff8c00;
    
    /* Panel & Background Colors */
    --color-panel-bg: #333d59;
    --color-header: var(--color-primary);
    --color-header-library: var(--color-tertiary);
    
    /* Browser Colors */
    --browser-bg: #1A1F2E;
    --browser-text: #E8EDF3;
    --browser-hover: #2A3445;
    --browser-active: #2A3445;
    --browser-border: #3A4150;
    --browser-accent: var(--color-secondary);
    
    /* Waveform Colors */
    --waveform-bg: #000000;
    --waveform-bg-light: #FDFDFD;
    --waveform-line: #E8EDF3;
    --waveform-trim-inactive: #1A1F2E;
    --waveform-trim-active: #E8EDF3;
    --waveform-playhead: var(--color-primary);
    
    /* Button Colors - Varied Palette */
    --btn-default: #E0E4EA;
    --btn-primary: var(--color-primary);
    --btn-secondary: var(--color-secondary);
    --btn-success: #50C878;
    --btn-success-light: #6DD489;
    --btn-success-medium: #45B869;
    --btn-success-dark: #3AA05A;
    --btn-danger: #FF5A5F;
    --btn-danger-light: #FF7A7F;
    --btn-danger-dark: #E03A3F;
    --btn-warning: var(--color-warning);
    --btn-info: var(--color-accent);
    --btn-purple: var(--color-tertiary);
    --btn-pink: #FF8FA3;
    --btn-cyan: var(--color-accent);
    --btn-orange: var(--color-secondary);
    
    /* Bank Colors */
    --bank-color-1-8: #5b6c9b;
    --bank-color-9-16: #ff8c00;
    --bank-color-melodic: #5b6c9b;
    --bank-color-has-sample: #ff8c00;
    --color-bg-bankgrid: #5b6c9b;

    /* Borders & Shadows */
    --border-width: 2px;
    --border-width-thick: 3px;
    --border-color: var(--color-black);
    --shadow-offset: 2px;
    --shadow-offset-thick: 3px;
    --shadow-color: var(--color-black);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 20px;
    
    /* Typography */
    --font-family: 'Courier New', monospace;
    --font-size-base: 16px;
    --font-size-small: 10px;
    --font-size-medium: 14px;
    --font-size-large: 30px;
    --font-size-bank: 32px;
    --font-weight-bold: bold;
    --letter-spacing-normal: 0.5px;
    --letter-spacing-wide: 2px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-xxl: 24px;
}

/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-family);
    background: var(--browser-bg);
    color: var(--color-black);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-base);
    height: 100vh;
    overflow: hidden;
}

/* === LAYOUT === */
.main-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    height: 100vh;
    padding: var(--spacing-lg);
    position: relative;
}

/* === APP NAVIGATION BUTTONS === */
.flasher-btn,
.logout-btn {
    height: 36px;
    padding: 0 var(--spacing-lg);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--shadow-color);
    font-family: var(--font-family);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-base);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-normal);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    user-select: none;
    color: var(--color-black);
    text-decoration: none;
}

.flasher-btn {
    background: var(--color-warning);
}

.logout-btn {
    background: var(--btn-danger);
}

.flasher-btn:hover,
.logout-btn:hover {
    filter: brightness(0.95);
    transform: translateY(-1px);
    box-shadow: var(--shadow-offset-thick) var(--shadow-offset-thick) 0px var(--shadow-color);
}

.flasher-btn:active,
.logout-btn:active {
    box-shadow: 0px 0px 0px var(--border-color);
    transform: translateY(1px);
}

.left-panel {
    display: grid;
    grid-template-rows: auto 1fr;
    gap: var(--spacing-lg);
    min-height: 0;
}

.right-panel {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

/* === PANEL BASE === */
.panel {
    background: var(--color-panel-bg);
    border: var(--border-width-thick) solid var(--border-color);
    border-radius: var(--radius-xxl);
    box-shadow: var(--shadow-offset-thick) var(--shadow-offset-thick) 0px var(--shadow-color);
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.panel-header {
    background: var(--color-header);
    height: 45px;
    margin: calc(-1 * var(--spacing-xl)) calc(-1 * var(--spacing-xl)) var(--spacing-md);
    padding: 0 var(--spacing-xl);
    border-bottom: var(--border-width-thick) solid var(--border-color);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    font-size: var(--font-size-large);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.library-header {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
}

.library-title {
    grid-column: 2;
    text-align: center;
}

.header-nav-links {
    grid-column: 3;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    align-items: flex-end;
    justify-self: end;
}

.header-nav-link {
    background: none;
    border: none;
    font-family: var(--font-family);
    font-size: calc(var(--font-size-small) * 1.5);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-normal);
    color: var(--color-black);
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 0;
    text-decoration: none;
    line-height: 1.2;
}

.header-nav-link:hover {
    opacity: 0.7;
    transform: translateX(-2px);
}

.header-nav-link:active {
    opacity: 0.5;
}

/* === SAMPLER PANEL === */
.audio-sampler {
    display: flex;
    flex-direction: column;
}

.top-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    flex-shrink: 0;
}

.samples-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    flex-shrink: 0;
}

.waveform-area {
    background: var(--waveform-bg);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--shadow-color);
    height: 80px;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    margin-bottom: var(--spacing-md);
}

#waveform,
#trimOverlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

#trimOverlay {
    pointer-events: none;
    z-index: 2;
}

#playhead {
    position: absolute;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--waveform-playhead);
    z-index: 5;
    pointer-events: none;
    display: none;
}

.sample-name {
    position: absolute;
    top: 6px;
    right: 15px;
    z-index: 10;
    font-size: 11px;
    font-weight: bold;
    color: var(--color-warning-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    pointer-events: none;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    max-width: calc(100% - 16px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: right;
}

.time-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    flex-shrink: 0;
}

.time-box {
    background: var( --color-bg-bankgrid);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--shadow-color);
    height: 36px;
    padding: var(--spacing-sm);
    text-align: center;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    justify-content: center;
}

.time-separator {
    color: var(--color-secondary);
    margin: 0 1ch;
}

.time-real {
    color: var(--color-secondary);
}

.time-box > span:first-of-type,
.time-box > #duration,
.time-box > #freeSpaceValue {
    margin-left: 1ch;
}

.volume-control {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-sm);
    align-items: center;
    flex-shrink: 0;
}

.volume-control > span {
    color: var(--color-secondary);
    font-weight: var(--font-weight-bold);
}

.volume-slider {
    background: var(--color-secondary);
    border: var(--border-width) solid var(--border-color);
    border-radius: 10px;
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--shadow-color);
    height: 20px;
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    background: var(--color-bg-bankgrid);
    border: var(--border-width) solid var(--border-color);
    border-radius: 10px;
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--shadow-color);
    cursor: pointer;
}

.volume-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--browser-text);
    border: var(--border-width) solid var(--border-color);
    border-radius: 10px;
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--shadow-color);
    cursor: pointer;
}

.volume-slider:focus {
    outline: none;
}

#volumeValue {
    display: inline-block;
    width: 4ch;
    text-align: right;
    color: var(--color-secondary);
    font-weight: var(--font-weight-bold);
}

#poVolumeValue {
    display: inline-block;
    width: 3ch;
    text-align: right;
    color: var(--color-secondary);
    font-weight: var(--font-weight-bold);
    transform: translateX(-5px);
}

/* === CONTROL PANEL === */
.control-panel {
    display: flex;
    flex-direction: column;
}

.connect-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    flex-shrink: 0;
}

.connect-row > div {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.banks-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    flex: 1;
    min-height: 0;
}

.banks-section .volume-control {
    margin-top: var(--spacing-xl);
}

.banks-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    flex: 1;
    min-height: 0;
}

.banks-grid > div {
    background: var(--color-bg-bankgrid);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-offset-thick) var(--shadow-offset-thick) 0px var(--shadow-color);
    padding: 4px;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.bank-header,
.melodic-header {
    background: var(--color-header);
    border-bottom: var(--border-width) solid var(--border-color);
    border-radius: 14px 14px 0 0;
    margin: -4px -4px var(--spacing-xs);
    padding: 6px;
    height: 28px;
    text-align: center;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.bank-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, minmax(0, 1fr));
    gap: 1px;
    padding: 2px;
    flex: 1;
    min-height: 0;
    overflow: hidden;
    align-content: stretch;
}

.bank-button {
    aspect-ratio: 1;
    background: var(--bank-color-1-8);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--shadow-color);
    font-family: var(--font-family);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-bank);
    text-transform: uppercase;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    user-select: none;
    transform: scale(0.72);
    max-width: 100%;
    max-height: 100%;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
}

.bank-button:hover {
    transform: scale(0.74);
}

.bank-button:active {
    box-shadow: 0px 0px 0px var(--border-color);
    transform: translateY(1px) scale(0.72);
    filter: brightness(0.85);
}

.bank-button.active {
    box-shadow: 0px 0px 0px var(--border-color);
    filter: brightness(0.85);
}

.bank-button:focus {
    outline: none;
}

.bank-button:focus-visible {
    outline: var(--border-width-thick) solid var(--border-color);
    outline-offset: 2px;
    z-index: 10;
}

.bank-1, .bank-2, .bank-3, .bank-4,
.bank-5, .bank-6, .bank-7, .bank-8 {
    background: var(--bank-color-1-8);
}

.bank-9, .bank-10, .bank-11, .bank-12,
.bank-13, .bank-14, .bank-15, .bank-16 {
    background: #5b6c9b;
    position: relative;
    overflow: hidden;
    isolation: isolate; /* Create stacking context to keep text above fill */
}

/* Progress fill для банков 9-16 (заливка снизу вверх) */
.bank-9::before, .bank-10::before, .bank-11::before, .bank-12::before,
.bank-13::before, .bank-14::before, .bank-15::before, .bank-16::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bank-fill-height, 0%);
    background: var(--bank-color-9-16);
    transition: height var(--transition-fast);
    z-index: -1; /* Fill is behind button content (negative z-index puts it below text) */
    pointer-events: none; /* Don't block clicks */
}

.bank-button.active.bank-9,
.bank-button.active.bank-10,
.bank-button.active.bank-11,
.bank-button.active.bank-12,
.bank-button.active.bank-13,
.bank-button.active.bank-14,
.bank-button.active.bank-15,
.bank-button.active.bank-16 {
    filter: brightness(0.85);
}

.melodic-1, .melodic-2, .melodic-3, .melodic-4,
.melodic-5, .melodic-6, .melodic-7, .melodic-8,
.melodic-9, .melodic-10, .melodic-11, .melodic-12,
.melodic-13, .melodic-14, .melodic-15, .melodic-16 {
    background: var(--bank-color-melodic);
}

.melodic-1:active:not(:disabled), .melodic-2:active:not(:disabled),
.melodic-3:active:not(:disabled), .melodic-4:active:not(:disabled),
.melodic-5:active:not(:disabled), .melodic-6:active:not(:disabled),
.melodic-7:active:not(:disabled), .melodic-8:active:not(:disabled),
.melodic-9:active:not(:disabled), .melodic-10:active:not(:disabled),
.melodic-11:active:not(:disabled), .melodic-12:active:not(:disabled),
.melodic-13:active:not(:disabled), .melodic-14:active:not(:disabled),
.melodic-15:active:not(:disabled), .melodic-16:active:not(:disabled) {
    box-shadow: 0px 0px 0px var(--border-color);
    filter: brightness(0.65);
}

.bank-button.has-sample {
    background: var(--bank-color-has-sample) !important;
}

.bank-button.active.has-sample {
    box-shadow: 0px 0px 0px var(--border-color);
    outline: 2px solid rgba(0, 0, 0, 0.12);
    outline-offset: -2px;
}

.bank-button.has-sample:active {
    box-shadow: 0px 0px 0px var(--border-color);
    filter: brightness(0.65);
}

/* === BROWSER PANEL === */
.browser-panels {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    flex: 1;
    min-height: 0;
}

.browser-panel {
    background: transparent;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--shadow-color);
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.browser-header {
    background: var(--color-primary);
    border-bottom: var(--border-width-thick) solid var(--border-color);
    height: 28px;
    padding: var(--spacing-xs);
    text-align: center;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.browser-path {
    background: var(--color-bg-bankgrid);
    border-bottom: 3px solid var(--border-color);
    height: 24px;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-medium);
    color: var(--color-warning-dark);
    word-break: break-all;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.browser-content {
    background: var(--color-bg-bankgrid);
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-md);
}

.browser-item {
    padding: calc(var(--spacing-md) / 3);
    color: var(--color-black);
    font-size: var(--font-size-medium);
    border-bottom: 1px solid var(--browser-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    min-height: 20px;
}

.browser-item:hover {
    background: var(--browser-hover);
    color: var(--browser-accent);
}

.browser-item.active {
    background: var(--browser-active);
    color: var(--color-white);
}

.browser-item.folder::before {
    content: "📁";
}

.browser-item.file::before {
    content: "🎵";
}

/* === BUTTONS === */
.btn {
    height: 36px;
    padding: 0 var(--spacing-md);
    background: var(--btn-default);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--shadow-color);
    font-family: var(--font-family);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-base);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-normal);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
}

.btn:hover {
    filter: brightness(0.95);
}

.btn:active {
    box-shadow: 0px 0px 0px var(--border-color);
    transform: translateY(1px);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--btn-default) !important;
    color: var(--color-gray-dark) !important;
}

.btn:disabled:hover {
    filter: none;
}

.btn:disabled:active {
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--shadow-color);
    transform: none;
}

.btn:focus {
    outline: none;
}

/* Button Color Variants */
.btn-play,
.btn-save,
.btn-tone {
    background: var(--btn-default);
}

.btn-clear-bank {
    background: var(--btn-danger-light);
}

.btn-clear-all {
    background: var(--btn-danger-dark);
}

.btn-upload-drum {
    background: var(--btn-success-light);
}

.btn-upload-all {
    background: var(--btn-success-medium);
}

.btn-upload {
    background: var(--btn-success-dark);
}

.btn-open-dir {
    background: var(--btn-danger);
}

.btn-open-sample {
    background: var(--btn-cyan);
}

.btn-backup {
    background: var(--btn-success-light);
}

.btn-erase {
    background: var(--btn-danger-dark);
}

/* === SCROLLBAR === */
.browser-content::-webkit-scrollbar,
.bank-grid::-webkit-scrollbar {
    width: 4px;
}

.browser-content::-webkit-scrollbar-track,
.bank-grid::-webkit-scrollbar-track {
    background: var(--color-bg-bankgrid);
}

.browser-content::-webkit-scrollbar-thumb,
.bank-grid::-webkit-scrollbar-thumb {
    background: var(--color-warning-dark);
    border-radius: 4px;
}

.browser-content::-webkit-scrollbar-thumb:hover,
.bank-grid::-webkit-scrollbar-thumb:hover {
    background: var(--color-warning-dark);
    opacity: 0.8;
}

/* === RESPONSIVE TYPOGRAPHY === */
@media (max-width: 1400px) {
    :root {
        --font-size-base: 14px;
        --font-size-small: 9px;
        --font-size-medium: 12px;
        --font-size-large: 26px;
        --font-size-bank: 28px;
    }
    
    .panel-header {
        font-size: 26px;
        height: 40px;
    }
    
    .bank-grid {
        gap: 0.5px;
        padding: 1px;
    }
    
    .bank-button {
        transform: scale(0.70);
    }
    
    .bank-button:hover {
        transform: scale(0.72);
    }
    
    .bank-button:active {
        transform: translateY(1px) scale(0.70);
    }
    
    .banks-grid > div {
        padding: 3px;
    }
}

@media (max-width: 1200px) {
    :root {
        --font-size-base: 13px;
        --font-size-small: 8px;
        --font-size-medium: 11px;
        --font-size-large: 24px;
        --font-size-bank: 26px;
    }
    
    .panel-header {
        font-size: 24px;
        height: 38px;
    }
    
    .bank-grid {
        gap: 0px;
        padding: 1px;
    }
    
    .bank-button {
        transform: scale(0.70);
    }
    
    .bank-button:hover {
        transform: scale(0.72);
    }
    
    .bank-button:active {
        transform: translateY(1px) scale(0.70);
    }
    
    .banks-grid > div {
        padding: 2px;
    }
}

@media (max-width: 1000px) {
    :root {
        --font-size-base: 12px;
        --font-size-small: 8px;
        --font-size-medium: 10px;
        --font-size-large: 22px;
        --font-size-bank: 24px;
    }
    
    .panel-header {
        font-size: 22px;
        height: 36px;
    }
    
    .bank-grid {
        gap: 0px;
        padding: 1px;
    }
    
    .bank-button {
        transform: scale(0.70);
    }
    
    .bank-button:hover {
        transform: scale(0.72);
    }
    
    .bank-button:active {
        transform: translateY(1px) scale(0.70);
    }
    
    .banks-grid > div {
        padding: 2px;
    }
}

@media (min-width: 1600px) {
    :root {
        --font-size-base: 17px;
        --font-size-small: 11px;
        --font-size-medium: 14px;
        --font-size-large: 32px;
        --font-size-bank: 34px;
    }
    
    .panel-header {
        font-size: 32px;
        height: 48px;
    }
    
    .bank-grid {
        gap: 2px;
        padding: 3px;
    }
    
    .bank-button {
        transform: scale(0.74);
    }
    
    .bank-button:hover {
        transform: scale(0.76);
    }
    
    .bank-button:active {
        transform: translateY(1px) scale(0.74);
    }
    
    .banks-grid > div {
        padding: 5px;
    }
}

@media (min-width: 1920px) {
    :root {
        --font-size-base: 18px;
        --font-size-small: 12px;
        --font-size-medium: 15px;
        --font-size-large: 34px;
        --font-size-bank: 36px;
    }
    
    .panel-header {
        font-size: 34px;
        height: 50px;
    }
    
    .bank-grid {
        gap: 3px;
        padding: 4px;
    }
    
    .bank-button {
        transform: scale(0.75);
    }
    
    .bank-button:hover {
        transform: scale(0.77);
    }
    
    .bank-button:active {
        transform: translateY(1px) scale(0.75);
    }
    
    .banks-grid > div {
        padding: 6px;
    }
}

/* === LOGIN PANEL === */
.login-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--browser-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.login-panel {
    max-width: 400px;
    width: 90%;
    min-height: auto;
}

.login-content {
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.login-field {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.login-field label {
    color: var(--color-secondary);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-normal);
    font-size: var(--font-size-base);
}

.login-input {
    height: 40px;
    padding: 0 var(--spacing-md);
    background: var(--browser-bg);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--shadow-color);
    font-family: var(--font-family);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-base);
    color: var(--browser-text);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-normal);
    transition: all var(--transition-fast);
}

.login-input::placeholder {
    color: var(--color-gray-dark);
    text-transform: none;
    opacity: 0.7;
}

.login-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--color-primary);
}

.login-error {
    color: var(--btn-danger);
    font-size: var(--font-size-medium);
    text-align: center;
    min-height: 20px;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-normal);
    display: none;
}

.login-error.show {
    display: block;
}