/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    font-weight: 500;
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    min-height: 44px;
    min-width: 120px;
}

@media (max-width: 768px) {
    .btn {
        padding: 0.875rem 1.75rem;
        font-size: 1rem;
    }

    .btn-small {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
        min-height: 40px;
    }
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    border-color: var(--color-primary);
    background-size: 200% auto;
    background-image: linear-gradient(to right, var(--color-primary) 0%, #4a4a4a 51%, var(--color-primary) 100%);
}

.btn-primary:hover {
    color: var(--color-on-primary);
    background-position: right center;
    padding-right: 3rem;
    padding-left: 1rem;
    text-align: left;
}

.btn-primary::after {
    content: '\f061';
    /* Arrow Right */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%) translateX(20px);
    opacity: 0;
    transition: all 0.3s ease;
}

.btn-primary:hover::after {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-primary.submitted {
    background: #27ae60 !important;
    border-color: #27ae60;
    pointer-events: none;
}

/* Secondary Button (Pill) */
.btn-secondary,
.collapsed-side-nav a {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: #f0f0f0;
    color: var(--color-text);
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid transparent;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-secondary:hover,
.collapsed-side-nav a:hover {
    background-color: #e0e0e0;
    color: var(--color-primary);
    transform: translateY(-1px);
}

[data-theme="dark"] .btn-secondary,
[data-theme="dark"] .collapsed-side-nav a {
    background-color: #383838;
    color: var(--color-text);
}

[data-theme="dark"] .btn-secondary:hover,
[data-theme="dark"] .collapsed-side-nav a:hover {
    background-color: #454545;
}

/* --- Social Buttons (About Page) --- */
.btn-social {
    width: 4rem;
    height: 4rem;
    font-size: 1.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    background: var(--color-surface);
    color: var(--color-text);
    border: 2px solid var(--color-border);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    text-decoration: none;
}

.btn-social:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 15px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.btn-github:hover {
    background-color: #24292e;
    border-color: #24292e;
    color: #ffffff;
}

.btn-linkedin:hover {
    background-color: #0d66c2;
    border-color: #0d66c2;
    color: #ffffff;
}

.btn-email:hover {
    background-color: #553c9a;
    border-color: #553c9a;
    color: #ffffff;
}

/* --- Socials Group --- */
.enhanced-socials {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
    /* keep them aligned */
}

/* --- Email Action Button (Gradient) --- */
.btn-email-action {
    background-color: #553c9a;
    color: #ffffff !important;
    border-color: #553c9a;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background-image: linear-gradient(to right, #553c9a 0%, #322659 51%, #553c9a 100%);
    background-size: 200% auto;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Button Base */
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    font-weight: 500;
    text-align: center;
    border: 2px solid transparent;
    text-decoration: none;
    height: auto;
    min-width: 140px;
}

.btn-email-action:hover {
    color: #ffffff;
    background-position: right center;
    padding-right: 3rem;
    padding-left: 1rem;
    justify-content: flex-start;
    /* Align text left */
}

.btn-email-action::after {
    content: '\f0e0';
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%) translateX(20px);
    opacity: 0;
    transition: all 0.3s ease;
}

.btn-email-action:hover::after {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

[data-theme="dark"] .btn-social {
    background-color: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text);
}


/* --- Bubble Buttons (Homepage) --- */
.bubble-btn-group {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding-bottom: 5rem;
}

@media (max-width: 768px) {
    .bubble-btn-group {
        gap: 1rem;
        padding-bottom: 3rem;
    }

    .btn-bubble {
        min-width: 260px;
        padding: 1rem 2rem;
    }

    .btn-bubble .btn-verb {
        font-size: 1.2rem;
    }

    .btn-bubble:hover {
        transform: translateY(-3px) scale(1.0);
        animation: none;
    }
}

@keyframes soap-bubble {

    0%,
    100% {
        border-radius: 999px;
    }

    25% {
        border-radius: 3.5rem 2.5rem 3rem 3.2rem / 3rem 3.5rem 2.5rem 3rem;
    }

    50% {
        border-radius: 2.8rem 3.5rem 3.2rem 2.6rem / 3.2rem 2.8rem 3.5rem 3rem;
    }

    75% {
        border-radius: 3.2rem 2.8rem 3.5rem 2.5rem / 3rem 2.5rem 3.2rem 3.5rem;
    }
}

.btn-bubble {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff !important;
    padding: 0.9rem 2rem;
    border-radius: 999px;
    text-decoration: none;
    transition: transform 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.35s ease, filter 0.25s ease;
    width: 280px;
    box-shadow: 0 8px 16px rgba(50, 50, 93, 0.12), 0 4px 8px rgba(0, 0, 0, 0.06);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-bubble:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 0 16px 28px rgba(50, 50, 93, 0.2), 0 6px 12px rgba(0, 0, 0, 0.1);
    filter: brightness(108%);
    animation: soap-bubble 2s infinite ease-in-out;
}

.btn-bubble .btn-text-group {
    display: flex;
    flex-direction: column;
    text-align: left;
    margin-right: 1.5rem;
}

.btn-bubble .btn-verb {
    font-weight: 700;
    font-size: 1.1rem;
    line-height: 1.1;
    display: block;
}

.btn-bubble .btn-context {
    font-size: 0.8rem;
    font-weight: 500;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    display: block;
    margin-top: 4px;
}

.btn-bubble .btn-icon {
    font-size: 1.2rem;
    transition: transform 0.35s ease;
}

.btn-bubble:hover .btn-icon {
    transform: translateX(6px) rotate(-8deg);
}

.btn-bubble.purple {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.btn-bubble.blue {
    background: linear-gradient(135deg, #6c8ec9 0%, #8faed9 100%);
}

.btn-bubble.orange {
    background: linear-gradient(135deg, #faa307 0%, #ea8b21 100%);
}

[data-theme="dark"] .btn-bubble.purple {
    background: linear-gradient(135deg, #5a6e8a 0%, #7b5c98 100%);
}

[data-theme="dark"] .btn-bubble.blue {
    background: linear-gradient(135deg, #5a7aaf 0%, #6c8ec9 100%);
}

[data-theme="dark"] .btn-bubble.orange {
    background: linear-gradient(135deg, #c88305 0%, #f48c06 100%);
}


/* --- Cards --- */
.feature-card,
.project-card,
.blog-card {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
    display: flex;
    flex-direction: column;
}

.feature-card:hover,
.project-card:hover,
.blog-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.project-card .btn,
.blog-card .btn {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    box-shadow: none;
    background-image: none;
}

.project-card:hover .btn,
.blog-card:hover .btn {
    background-color: #e5e5e6;
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .project-card:hover .btn,
[data-theme="dark"] .blog-card:hover .btn {
    background-color: #4d4c4d;
}

/* Card Links */
.project-card .btn::after,
.blog-card .btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

/* --- Badges/Tags --- */
.tag {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.tag-warning {
    background-color: #fffbeb;
    color: #92400e;
    border: 1px solid #fcd34d;
    display: inline-block;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
}

[data-theme="dark"] .tag-warning {
    background-color: #451a03;
    color: #fcd34d;
    border-color: #78350f;
}

/* --- Inputs/Forms --- */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
    border-radius: 0.25rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

@media (max-width: 768px) {

    .form-group input,
    .form-group textarea {
        font-size: 16px;
        padding: 1rem;
        min-height: 44px;
    }

    .form-group textarea {
        min-height: 120px;
    }
}

/* --- Other --- */
.nav-toggle {
    display: none;
    background: none;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--color-text);
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
}

.nav-toggle:hover {
    background-color: rgba(0, 0, 0, 0.05);
    border-color: var(--color-border);
}

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

.nav-toggle[aria-expanded="true"] {
    background-color: rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .nav-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .nav-toggle[aria-expanded="true"] {
    background-color: rgba(255, 255, 255, 0.15);
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
}

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0.25rem;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.icon-btn:hover {
    background-color: var(--color-border);
}

/* --- Skill Tiles --- */
.skill-card {
    background-color: transparent;
    border: none;
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
    padding: 1rem 0.5rem;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 1.5rem;
    cursor: default;
    box-shadow: none;
    transition: background-color 0.2s;
}

.skill-card:hover {
    background-color: rgba(0, 0, 0, 0.02);
    transform: none;
    box-shadow: none;
}

.skill-icon {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    transition: color 0.3s ease;
    width: 2rem;
    text-align: center;
}

.skill-name {
    font-family: var(--font-heading);
    font-weight: bold;
    color: var(--color-text);
    font-size: 1.1rem;
    flex: 1;
}

/* Hover colors */
.skill-card:hover .fa-microchip {
    color: #004482;
}

.skill-card:hover .fa-java {
    color: #f89820;
}

.skill-card:hover .fa-rust {
    color: #000000;
}

.skill-card:hover .fa-python {
    color: #3776ab;
}

[data-theme="dark"] .skill-card {
    background-color: var(--color-surface);
    border-color: var(--color-border);
}

[data-theme="dark"] .skill-card:hover .fa-rust {
    color: #ffffff;
}

/* Grid Tile */
.skill-tile {
    background: transparent;
    border: none;
    padding: 0;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1rem;
}

.tile-icon {
    font-size: 2rem;
}

.skill-tile .fa-microchip {
    color: #00599C;
    opacity: 1;
}

.skill-tile .fa-java {
    color: #f89820;
    opacity: 1;
}

.skill-tile .fa-rust {
    color: #000000;
    opacity: 1;
}

.skill-tile .fa-python {
    color: #306998;
    opacity: 1;
}

[data-theme="dark"] .skill-tile .fa-rust {
    color: #ffffff;
}

.tile-info {
    display: flex;
    flex-direction: column;
}

.tile-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-text);
}

.tile-desc {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.1rem;
}