/* Global Reset & Base Styles */
:root {
    --bg-dark: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-primary: #6366f1;
    /* Indigo 500 */
    --accent-glow: #818cf8;
    --accent-secondary: #ec4899;
    /* Pink 500 */
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --input-bg: rgba(15, 23, 42, 0.6);
    --success: #10b981;
    --error: #ef4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
}

/* Background Animation */
.background-globes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.globe {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 10s infinite ease-in-out alternate;
}

.globe-1 {
    width: 400px;
    height: 400px;
    background: var(--accent-primary);
    top: -50px;
    left: -100px;
}

.globe-2 {
    width: 300px;
    height: 300px;
    background: var(--accent-secondary);
    bottom: -50px;
    right: -50px;
    animation-delay: 2s;
}

.globe-3 {
    width: 200px;
    height: 200px;
    background: #06b6d4;
    /* Cyan */
    top: 40%;
    left: 60%;
    animation-delay: 4s;
    opacity: 0.2;
}

@keyframes float {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(30px, 50px);
    }
}

/* Layout Container */
.app-container {
    width: 100%;
    max-width: 900px;
    padding: 2rem;
    position: relative;
    z-index: 10;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 2rem;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-glow);
    margin-bottom: 1rem;
    font-family: 'Outfit', sans-serif;
}

.logo i {
    font-size: 1.8rem;
}

header h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Glassmorphism Card style */
.converter-card,
.info-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    margin-bottom: 2rem;
}

/* Input Section */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

label {
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.actions {
    display: flex;
    gap: 0.5rem;
}

.icon-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.delete-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.3);
}

textarea {
    width: 100%;
    height: 150px;
    background: var(--input-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    padding: 1rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 1rem;
    resize: vertical;
    transition: all 0.2s;
}

textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.input-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.status-valid {
    color: var(--success);
}

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

/* Buttons */
.controls {
    display: flex;
    justify-content: center;
    margin: 2rem 0;
}

.primary-btn {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    border: none;
    padding: 0.8rem 2.5rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.primary-btn:active {
    transform: translateY(0);
}

.secondary-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--accent-glow);
    padding: 0.4rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.secondary-btn:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--accent-primary);
}

/* Output Section */
.output-wrapper textarea {
    background: rgba(0, 0, 0, 0.2);
    /* Slightly darker for read-only */
    cursor: default;
}

/* Info Card */
.info-card h3 {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
}

.info-card ul {
    list-style-position: inside;
    color: var(--text-secondary);
    line-height: 1.6;
}

.info-card li {
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 3rem;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--bg-dark);
    color: var(--success);
    border: 1px solid var(--success);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    z-index: 100;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.hidden {
    visibility: hidden;
}

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

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Media Queries */
@media (max-width: 600px) {
    header h1 {
        font-size: 2rem;
    }

    .app-container {
        padding: 1rem;
    }

    .converter-card {
        padding: 1.5rem;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .actions {
        width: 100%;
        justify-content: flex-end;
    }
}

/* All Tools Floating Button */
.all-tools-btn {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 100;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-primary);
    padding: 0.8rem 1.2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.all-tools-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    border-color: var(--accent-primary);
    box-shadow: 0 6px 15px rgba(99, 102, 241, 0.3);
    color: white;
}

@media (max-width: 600px) {
    .all-tools-btn {
        top: 1rem;
        right: 1rem;
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
}