* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    height: 100%;
    overflow: hidden;
}

html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    position: fixed;
    overflow: hidden;
}

:root {
    --primary-color: #0A36F7;
    --primary-hover: #2B4EF8;
    --secondary-color: #0A36F7;
    --success-color: #4ADE80;
    --danger-color: #FF4D6D;
    --bg-black: #000000;
    --bg-dark: #0A0A0A;
    --bg-card: #141414;
    --bg-card-hover: #1A1A1A;
    --border-color: #1F1F1F;
    --text-color: #FFFFFF;
    --text-secondary: #8E8E93;
    --text-muted: #636366;
    --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-black);
    color: var(--text-color);
    position: relative;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
}

/* Экраны приложения */
.screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
    pointer-events: none;
}

.screen.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.screen.prev {
    transform: translateX(-30%);
    opacity: 0;
}

.screen-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

/* Splash Screen */
.splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    background: var(--bg-black);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.5s ease-out;
}

.splash-screen.hidden {
    opacity: 0;
    pointer-events: none;
    display: none !important;
}

.splash-logo {
    width: 80px;
    height: 80px;
    animation: splashPulse 3s ease-in-out;
}

@keyframes splashPulse {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

.screen-header {
    flex-shrink: 0;
    text-align: center;
    padding: max(env(safe-area-inset-top), 16px) 20px 16px;
    background: var(--bg-black);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    z-index: 10;
}

.screen-main {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 16px 20px 100px 20px;
    -webkit-overflow-scrolling: touch;
    -webkit-tap-highlight-color: transparent;
}

/* Date and Time Section */
.datetime-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    margin-bottom: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    animation: fadeInUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    opacity: 0;
}

.date-block,
.time-block {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
}

.datetime-icon {
    width: 18px;
    height: 18px;
    stroke-width: 2;
    color: var(--text-secondary);
}

.screen-footer {
    flex-shrink: 0;
    padding: 16px 20px max(env(safe-area-inset-bottom, 50px), 50px);
    background: var(--bg-black);
    border-top: 1px solid var(--border-color);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header-logo {
    height: 34px;
    width: auto;
    display: block;
    margin: 0 auto;
}

#currencyForm {
    background: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    padding: 20px;
}

/* Preview Screen */
.preview-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: 40px;
}

.preview-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
    text-align: center;
    margin-bottom: 32px;
    padding: 0 20px;
    line-height: 1.4;
    animation: fadeInDown 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.preview-container {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: scaleIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s backwards;
}

/* URL Buttons Preview */
.url-buttons-preview {
    width: 100%;
    max-width: 400px;
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    animation: fadeInUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.4s backwards;
}

.url-buttons-row {
    display: flex;
    gap: 8px;
}

.url-btn {
    flex: 1;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
    text-align: center;
    cursor: default;
}

.url-btn-full {
    width: 100%;
}

.preview-buttons {
    display: flex;
    gap: 12px;
    width: 100%;
    animation: fadeInUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.6s backwards;
}

/* Primary Large Button (Да) */
.btn-primary-large {
    flex: 1;
    padding: 18px 24px;
    font-size: 17px;
    font-weight: 700;
    min-height: 64px;
    border-radius: 12px;
    background: var(--primary-color);
    color: #FFFFFF;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-primary-large:active {
    background: var(--primary-hover);
    transform: scale(0.98);
}

/* Secondary Large Button (Изменить) */
.btn-secondary-large {
    flex: 1;
    padding: 18px 24px;
    font-size: 17px;
    font-weight: 700;
    min-height: 64px;
    border-radius: 12px;
    background: transparent;
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-secondary-large:active {
    background: var(--bg-card);
    transform: scale(0.98);
}

.preview-container img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

.form-group {
    margin-bottom: 16px;
    animation: fadeInUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) backwards;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-secondary);
    letter-spacing: 0px;
}

.input-with-icon {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
}

.input-icon {
    width: 22px;
    height: 22px;
    color: var(--text-secondary);
    stroke-width: 2;
    flex-shrink: 0;
}

.input-with-icon input {
    flex: 1;
    width: 100%;
    padding: 16px;
    font-size: 18px;
    font-weight: 600;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.2s ease;
    background: var(--bg-dark);
    color: var(--text-color);
}

.input-with-icon input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--bg-dark);
    box-shadow: 0 0 0 4px rgba(10, 54, 247, 0.15);
}

.input-with-icon input::placeholder {
    color: var(--text-muted);
    font-weight: 500;
}

.btn-icon {
    width: 18px;
    height: 18px;
    stroke-width: 2;
}

/* Actions Section */
.actions-section {
    display: flex;
    flex-direction: row;
    gap: 12px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    animation: fadeInUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.5s backwards;
}

/* Primary Action Button - 70% width */
.btn-primary-action {
    flex: 0 0 70%;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 700;
    min-height: 64px;
    border-radius: 12px;
    background: var(--primary-color);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(10, 54, 247, 0.3);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-primary-action:active {
    background: var(--primary-hover);
    transform: scale(0.98);
    box-shadow: 0 2px 8px rgba(10, 54, 247, 0.4);
}

/* Icon Action Button - 30% width */
.btn-icon-action {
    flex: 0 0 calc(30% - 12px);
    padding: 20px;
    min-height: 64px;
    border-radius: 12px;
    background: transparent;
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon-action:active {
    background: var(--bg-card);
    transform: scale(0.98);
}

.story-icon {
    width: 28px;
    height: 28px;
    stroke-width: 2;
    color: var(--text-secondary);
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
}

.btn {
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 700;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    width: 100%;
    letter-spacing: 0px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: scale(1.02);
}

.btn-primary:active:not(:disabled) {
    transform: scale(0.98);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-card-hover);
    border-color: var(--primary-color);
}

.btn-secondary:active:not(:disabled) {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none !important;
}

.btn-large {
    padding: 22px 28px;
    font-size: 17px;
    font-weight: 700;
    width: 100%;
    min-height: 64px;
}

.btn-large-action {
    padding: 24px 24px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.5px;
    min-height: 64px;
    border-radius: 999px;
    background: var(--primary-color);
    color: #FFFFFF;
}

.btn-large-action:active {
    background: #3A8EEF;
    transform: scale(0.98);
}

/* Старые неиспользуемые стили удалены */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    color: white;
}

.loading-overlay p {
    margin-top: 20px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-secondary);
}

.spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Message Overlay */
.message-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9998;
    animation: fadeIn 0.3s ease-out;
    backdrop-filter: blur(4px);
}

.message-box {
    padding: 24px 32px;
    border-radius: 16px;
    z-index: 9999;
    animation: scaleIn 0.3s ease-out;
    max-width: 90%;
    margin: 0 20px;
    font-weight: 600;
    font-size: 16px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.message-box.success {
    background: var(--success-color);
    color: white;
}

.message-box.error {
    background: var(--danger-color);
    color: white;
}

/* iOS-Style Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.92);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Version Info */
.version-info {
    text-align: center;
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 32px;
    padding: 16px 0;
    font-weight: 500;
    letter-spacing: 0.5px;
    animation: fadeIn 0.8s ease-out 0.6s backwards;
}

.hidden {
    display: none !important;
}

/* Success Alert */
.alert-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.3s ease-out;
    backdrop-filter: blur(8px);
}

.alert-box {
    background: var(--bg-black);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 32px 24px;
    max-width: 90%;
    width: 320px;
    text-align: center;
    animation: scaleIn 0.3s ease-out;
}

.alert-icon {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
}

.success-icon {
    width: 64px;
    height: 64px;
    color: var(--success-color);
    stroke-width: 2;
}

.alert-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 12px;
}

.alert-message {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.5;
}

.alert-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.alert-btn {
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.alert-btn-primary {
    background: var(--primary-color);
    color: #FFFFFF;
}

.alert-btn-primary:active {
    background: var(--primary-hover);
    transform: scale(0.98);
}

.alert-btn-secondary {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.alert-btn-secondary:active {
    background: var(--bg-card-hover);
    transform: scale(0.98);
}

/* Дополнительные декоративные элементы */
#stars {
    display: none;
}

.star {
    display: none;
}

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

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, var(--secondary-hover) 100%);
}

/* Адаптивность для маленьких экранов */
@media (max-width: 480px) {
    body {
        padding: 12px;
        padding-bottom: 80px;
    }

    header {
        padding: 20px;
    }

    header h1 {
        font-size: 24px;
    }

    .subtitle {
        font-size: 14px;
    }

    .form-group input {
        padding: 14px 18px;
    }

    .btn {
        padding: 14px 24px;
        font-size: 15px;
    }

    .preview-section {
        padding: 20px;
    }
}

/* Эффект при загрузке страницы */
@keyframes pageLoad {
    from {
        opacity: 0;
        filter: blur(10px);
    }
    to {
        opacity: 1;
        filter: blur(0);
    }
}

body {
    animation: pageLoad 0.8s ease-out;
}