/* Import modern typography */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;600;700;800&display=swap');

:root {
    /* Dark theme (default) */
    --bg-primary: #07090e;
    --bg-secondary: #0d111a;
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --accent: #6366f1;
    --accent-secondary: #a855f7;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --accent-glow: rgba(99, 102, 241, 0.2);
    
    --card-bg: rgba(13, 17, 26, 0.6);
    --card-border: rgba(255, 255, 255, 0.06);
    --card-hover-border: rgba(99, 102, 241, 0.35);
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
    
    --input-bg: rgba(13, 17, 26, 0.8);
    --input-border: rgba(255, 255, 255, 0.08);
    --input-focus-border: #6366f1;
    
    --modal-bg: rgba(13, 17, 26, 0.85);
    --modal-border: rgba(255, 255, 255, 0.1);
    
    --glass-blur: 16px;
    --transition-speed: 0.3s;
    
    --btn-bg: rgba(255, 255, 255, 0.05);
    --btn-border: rgba(255, 255, 255, 0.1);
    --btn-hover-bg: rgba(255, 255, 255, 0.12);
}

body.light-theme {
    /* Light theme */
    --bg-primary: #f3f4f6;
    --bg-secondary: #ffffff;
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --accent: #4f46e5;
    --accent-secondary: #7c3aed;
    --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --accent-glow: rgba(79, 70, 229, 0.1);
    
    --card-bg: rgba(255, 255, 255, 0.65);
    --card-border: rgba(0, 0, 0, 0.06);
    --card-hover-border: rgba(79, 70, 229, 0.3);
    --card-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.06);
    
    --input-bg: rgba(255, 255, 255, 0.9);
    --input-border: rgba(0, 0, 0, 0.08);
    --input-focus-border: #4f46e5;
    
    --modal-bg: rgba(255, 255, 255, 0.9);
    --modal-border: rgba(0, 0, 0, 0.08);
    
    --btn-bg: rgba(0, 0, 0, 0.04);
    --btn-border: rgba(0, 0, 0, 0.08);
    --btn-hover-bg: rgba(0, 0, 0, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* Background Glowing Blobs */
.background-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.45;
    transition: background-color var(--transition-speed) ease;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    animation: floatBlob1 25s infinite alternate ease-in-out;
}

.blob-2 {
    bottom: -10%;
    right: -10%;
    width: 45vw;
    height: 45vw;
    background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
    animation: floatBlob2 20s infinite alternate ease-in-out;
}

@keyframes floatBlob1 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(10vw, 8vh) scale(1.15); }
}

@keyframes floatBlob2 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-8vw, -10vh) scale(0.9); }
}

/* Container */
.container {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

/* Header Section */
header {
    text-align: center;
    margin-bottom: 3.5rem;
    position: relative;
}

/* Profile Picture styling */
.profile-wrapper {
    position: relative;
    width: 160px;
    height: 160px;
    margin: 0 auto 1.5rem;
}

.profile-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 0 20px var(--accent-glow);
    background-color: var(--bg-secondary);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.profile-wrapper:hover .profile-img {
    transform: scale(1.05);
    box-shadow: 0 0 25px var(--accent);
}

h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 400;
    max-width: 480px;
    margin: 0 auto;
    line-height: 1.5;
}

/* Action Controls Bar */
.controls-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.search-wrapper {
    position: relative;
    flex-grow: 1;
}

.search-input {
    width: 100%;
    padding: 0.85rem 1.25rem 0.85rem 2.75rem;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 14px;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    outline: none;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.search-input:focus {
    border-color: var(--input-focus-border);
    box-shadow: 0 0 15px var(--accent-glow);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
}

.action-buttons {
    display: flex;
    gap: 0.75rem;
}

.icon-btn {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background-color: var(--btn-bg);
    border: 1px solid var(--btn-border);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease, transform 0.2s ease;
}

.icon-btn:hover {
    background-color: var(--btn-hover-bg);
    border-color: var(--accent);
    transform: translateY(-2px);
}

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

.icon-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: #ffffff;
    box-shadow: 0 0 15px var(--accent-glow);
}

/* Links Grid */
.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 1.75rem;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    box-shadow: var(--card-shadow);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
                border-color var(--transition-speed) ease, 
                box-shadow 0.4s ease;
    position: relative;
    overflow: hidden;
}

/* Glass effect highlight */
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.card:hover {
    transform: translateY(-6px);
    border-color: var(--card-hover-border);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15), 0 0 20px var(--accent-glow);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-icon {
    font-size: 2.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.04);
    border-radius: 16px;
    transition: transform 0.3s ease;
}

body.light-theme .card-icon {
    background-color: rgba(0, 0, 0, 0.03);
}

.card:hover .card-icon {
    transform: scale(1.1) rotate(4deg);
}

.card-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
}

.card-badge.private {
    background: rgba(168, 85, 247, 0.15);
    color: #c084fc;
    border: 1px solid rgba(168, 85, 247, 0.2);
}

.card-body {
    flex-grow: 1;
}

.card-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.card-footer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent);
}

.card-arrow {
    transition: transform var(--transition-speed) ease;
}

.card:hover .card-arrow {
    transform: translateX(4px);
}

/* Loading and Empty States */
.state-container {
    text-align: center;
    padding: 4rem 2rem;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top: 4px solid var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Password Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background-color: var(--modal-bg);
    border: 1px solid var(--modal-border);
    border-radius: 24px;
    width: 90%;
    max-width: 420px;
    padding: 2rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

.close-btn:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

body.light-theme .close-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.modal-input {
    width: 100%;
    padding: 0.85rem 1rem;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 12px;
    color: var(--text-primary);
    outline: none;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: border-color var(--transition-speed) ease;
}

.modal-input:focus {
    border-color: var(--accent);
}

.modal-input.error {
    border-color: #ef4444;
    animation: shake 0.4s ease;
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.2);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

.error-text {
    color: #ef4444;
    font-size: 0.85rem;
    margin-top: -0.25rem;
    display: none;
}

.error-text.active {
    display: block;
}

.submit-btn {
    width: 100%;
    padding: 0.9rem;
    border: none;
    border-radius: 12px;
    background: var(--accent-gradient);
    color: #ffffff;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 4px 15px var(--accent-glow);
    transition: opacity var(--transition-speed) ease, transform 0.2s ease;
}

.submit-btn:hover {
    opacity: 0.95;
    transform: translateY(-1px);
}

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

/* Footer */
footer {
    text-align: center;
    padding: 2.5rem 1.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    margin-top: auto;
}

body.light-theme footer {
    border-top: 1px solid rgba(0, 0, 0, 0.03);
}

footer a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .container {
        padding: 1.5rem 1rem;
    }
    
    header {
        margin-bottom: 2.5rem;
    }
    
    .profile-wrapper {
        width: 130px;
        height: 130px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .controls-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .action-buttons {
        justify-content: flex-end;
    }
    
    .links-grid {
        grid-template-columns: 1fr;
    }
}

/* Subpage Header Layout (Photo + Title) */
.subpage-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    text-align: left;
}

.subpage-profile-link {
    display: block;
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    text-decoration: none;
}

.subpage-profile-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 0 15px var(--accent-glow);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.subpage-profile-link:hover .subpage-profile-img {
    transform: scale(1.08);
    box-shadow: 0 0 20px var(--accent);
}

.subpage-header-text {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.subpage-title {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

@media (max-width: 640px) {
    .subpage-header {
        flex-direction: column;
        text-align: center;
        align-items: center;
        gap: 1rem;
    }
}