/* ===================================================
   GLASSMORPHISM DESIGN SYSTEM
   Resume Tailor - Yuzu Hot Spring Theme
   ================================================== */

/* ===== ANIMATED GRADIENT BACKGROUND ===== */
.spa-container {
    min-height: 100vh;
    width: 100%;
    position: relative;
    background: linear-gradient(135deg,
        #FFF1E6 0%,
        #FFE4D1 15%,
        #E76F51 30%,
        #F4A261 45%,
        #2A9D8F 60%,
        #84a98c 75%,
        #F4A261 85%,
        #E76F51 100%
    );
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ===== FLOATING BUBBLES ANIMATION ===== */
.bubble {
    position: absolute;
    bottom: -100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: rise 15s infinite ease-in;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    pointer-events: none;
    z-index: 0;
}

.bubble:nth-child(1) {
    width: 80px;
    height: 80px;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 12s;
}

.bubble:nth-child(2) {
    width: 60px;
    height: 60px;
    left: 30%;
    animation-delay: 2s;
    animation-duration: 10s;
}

.bubble:nth-child(3) {
    width: 100px;
    height: 100px;
    left: 50%;
    animation-delay: 4s;
    animation-duration: 14s;
}

.bubble:nth-child(4) {
    width: 70px;
    height: 70px;
    left: 70%;
    animation-delay: 1s;
    animation-duration: 11s;
}

.bubble:nth-child(5) {
    width: 90px;
    height: 90px;
    left: 85%;
    animation-delay: 3s;
    animation-duration: 13s;
}

@keyframes rise {
    0% {
        bottom: -100px;
        transform: translateX(0);
        opacity: 0;
    }
    10% { opacity: 0.3; }
    90% { opacity: 0.3; }
    100% {
        bottom: 110vh;
        transform: translateX(100px);
        opacity: 0;
    }
}

/* ===== GLASSMORPHISM LEVELS ===== */

/* Level 1 - Primary Glass (Main Containers) */
.glass-primary {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.glass-primary:hover {
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* Level 2 - Secondary Glass (Cards, Sections) */
.glass-secondary {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08),
                inset 0 1px 0 rgba(255, 255, 255, 0.4);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.glass-secondary:hover {
    background: rgba(255, 255, 255, 0.22);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

/* Level 3 - Tertiary Glass (Buttons, Badges, Small Elements) */
.glass-tertiary {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.glass-tertiary:hover {
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

/* ===== TEXT STYLES FOR READABILITY ===== */
.glass-text {
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2),
                 0 1px 3px rgba(0, 0, 0, 0.3);
}

.glass-heading {
    color: white;
    text-shadow: 0 3px 12px rgba(0, 0, 0, 0.25),
                 0 1px 4px rgba(0, 0, 0, 0.35);
    font-weight: 700;
}

.glass-subheading {
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    font-weight: 600;
}

.glass-link {
    color: white;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    text-decoration: underline;
    text-decoration-color: rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
}

.glass-link:hover {
    text-decoration-color: white;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

/* ===== FORM INPUTS (Solid for Usability) ===== */
.solid-input,
input[type="text"].solid-input,
input[type="email"].solid-input,
input[type="password"].solid-input,
input[type="tel"].solid-input,
input[type="url"].solid-input,
input[type="number"].solid-input,
textarea.solid-input,
select.solid-input {
    background: white !important;
    border: 1px solid rgba(231, 111, 81, 0.25);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.solid-input:focus,
input[type="text"].solid-input:focus,
input[type="email"].solid-input:focus,
input[type="password"].solid-input:focus,
input[type="tel"].solid-input:focus,
input[type="url"].solid-input:focus,
input[type="number"].solid-input:focus,
textarea.solid-input:focus,
select.solid-input:focus {
    border-color: rgba(231, 111, 81, 0.6);
    box-shadow: 0 0 0 3px rgba(231, 111, 81, 0.1),
                0 2px 8px rgba(0, 0, 0, 0.08);
    outline: none;
}

/* ===== FROSTED GLASS NAVBAR ===== */
.glass-navbar {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(15px) saturate(150%);
    -webkit-backdrop-filter: blur(15px) saturate(150%);
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08),
                inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.glass-navbar .logo {
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.glass-navbar a {
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.glass-navbar a:hover,
.glass-navbar a.active {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: white;
}

/* ===== GLASS BUTTONS ===== */
.glass-btn-primary {
    background: rgba(231, 111, 81, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    box-shadow: 0 4px 12px rgba(231, 111, 81, 0.3);
    transition: all 0.3s ease;
    cursor: pointer;
}

.glass-btn-primary:hover {
    background: rgba(212, 90, 60, 0.95);
    box-shadow: 0 6px 20px rgba(231, 111, 81, 0.4);
    transform: translateY(-2px);
}

.glass-btn-secondary {
    background: rgba(42, 157, 143, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    box-shadow: 0 4px 12px rgba(42, 157, 143, 0.3);
    transition: all 0.3s ease;
    cursor: pointer;
}

.glass-btn-secondary:hover {
    background: rgba(35, 138, 126, 0.95);
    box-shadow: 0 6px 20px rgba(42, 157, 143, 0.4);
    transform: translateY(-2px);
}

.glass-btn-outline {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.4);
    color: white;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
}

.glass-btn-outline:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
}

/* ===== GLASS BADGES ===== */
.glass-badge {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
}

.glass-badge.success {
    background: linear-gradient(135deg,
        rgba(42, 157, 143, 0.9),
        rgba(35, 138, 126, 0.9));
    box-shadow: 0 4px 12px rgba(42, 157, 143, 0.3);
}

.glass-badge.warning {
    background: linear-gradient(135deg,
        rgba(244, 162, 97, 0.9),
        rgba(238, 140, 73, 0.9));
    box-shadow: 0 4px 12px rgba(244, 162, 97, 0.3);
}

.glass-badge.danger {
    background: linear-gradient(135deg,
        rgba(231, 111, 81, 0.9),
        rgba(212, 90, 60, 0.9));
    box-shadow: 0 4px 12px rgba(231, 111, 81, 0.3);
}

/* ===== GLASS MODAL ===== */
.glass-modal-overlay {
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.glass-modal-content {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.5);
    border-radius: 16px;
}

/* ===== GLASS SECTION WITH ACCENT BORDER ===== */
.glass-section-accent {
    background: rgba(248, 250, 252, 0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-left: 4px solid rgba(231, 111, 81, 0.7);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06),
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    padding: 25px;
}

.glass-section-accent h2 {
    color: white;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

/* ===== INFO BOX WITH GLASS ===== */
.glass-info-box {
    background: rgba(219, 234, 254, 0.25);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-left: 3px solid rgba(231, 111, 81, 0.6);
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    padding: 15px;
}

.glass-info-box h4 {
    color: white;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* ===== ACCESSIBILITY & FOCUS STATES ===== */
.glass-primary:focus-within,
.glass-secondary:focus-within,
.glass-tertiary:focus-within {
    outline: 3px solid rgba(255, 255, 255, 0.8);
    outline-offset: 2px;
    box-shadow: 0 0 0 5px rgba(231, 111, 81, 0.3);
}

.glass-btn-primary:focus,
.glass-btn-secondary:focus,
.glass-btn-outline:focus {
    outline: 3px solid rgba(255, 255, 255, 0.8);
    outline-offset: 2px;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    /* Reduce blur intensity for performance on mobile */
    .glass-primary {
        backdrop-filter: blur(12px) saturate(150%);
        -webkit-backdrop-filter: blur(12px) saturate(150%);
    }

    .glass-secondary {
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
    }

    .glass-tertiary {
        backdrop-filter: blur(6px);
        -webkit-backdrop-filter: blur(6px);
    }

    .glass-navbar {
        backdrop-filter: blur(12px) saturate(130%);
        -webkit-backdrop-filter: blur(12px) saturate(130%);
        background: rgba(255, 255, 255, 0.18);
    }

    /* Slower animation for better mobile performance */
    .spa-container {
        animation-duration: 20s;
    }

    /* Hide last 2 bubbles on mobile for performance */
    .bubble:nth-child(4),
    .bubble:nth-child(5) {
        display: none;
    }
}

/* ===== BROWSER FALLBACKS ===== */
@supports not (backdrop-filter: blur(10px)) {
    .glass-primary {
        background: rgba(255, 255, 255, 0.85);
    }

    .glass-secondary {
        background: rgba(255, 255, 255, 0.9);
    }

    .glass-tertiary {
        background: rgba(255, 255, 255, 0.92);
    }

    .glass-navbar {
        background: rgba(255, 255, 255, 0.9);
    }

    .glass-modal-content {
        background: rgba(255, 255, 255, 0.85);
    }
}

/* ===== UTILITY CLASSES ===== */
.glass-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    pointer-events: none;
}

.text-shadow-light {
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.text-shadow-medium {
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.text-shadow-strong {
    text-shadow: 0 3px 12px rgba(0, 0, 0, 0.25),
                 0 1px 4px rgba(0, 0, 0, 0.35);
}

/* Ensure content sits above bubbles */
.spa-container > *:not(.bubble):not(.modal):not(script) {
    position: relative;
    z-index: 1;
}