/* ===== FINANCE CALCULATORS CSS ===== */
:root {
    --body-color: #0a0a0a;
    --color-white: #ffffff;
    --color-blue: #00d4ff;
    --color-dark-blue: #0c8599;
    --color-purple: #7c3aed;
    --color-pink: #ec4899;
    --color-green: #10b981;
    --color-gold: #fbbf24;
    --text-color: #f8f9fa;
    --text-color-second: #adb5bd;
    --text-color-third: #6c757d;
    --first-color: var(--color-blue);
    --first-color-hover: var(--color-dark-blue);
    --card-bg-color: #1a1a1a;
    --footer-bg-color: #0d0d0d;
    --gradient-1: linear-gradient(135deg, var(--color-blue), var(--color-purple));
    --gradient-2: linear-gradient(135deg, var(--color-purple), var(--color-pink));
    --gradient-3: linear-gradient(135deg, var(--color-green), var(--color-blue));
    --gradient-4: linear-gradient(135deg, var(--color-gold), var(--color-pink));
    --glass-bg: rgba(26, 26, 26, 0.25);
    --border-color: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== CONTAINER ===== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    padding-top: 100px;
}

/* ===== HEADER ===== */
.header-text {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.header-text::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: var(--gradient-1);
    border-radius: 2px;
}

.header-text h1 {
    font-size: 2.8rem;
    font-weight: 700;
    background: var(--gradient-1);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    text-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.header-text p {
    color: var(--text-color-second);
    font-size: 1.1rem;
    font-style: italic;
}

/* ===== SEARCH BOX ===== */
.search-container {
    max-width: 700px;
    margin: 0 auto 3rem;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 15px 20px;
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.search-box:focus-within {
    border-color: var(--first-color);
    box-shadow: 0 12px 35px rgba(0, 212, 255, 0.4);
    transform: translateY(-2px);
}

.search-box i.fa-search {
    color: var(--first-color);
    font-size: 20px;
    margin-right: 15px;
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-color);
    font-size: 16px;
    font-family: 'Poppins', sans-serif;
    font-weight: 400;
}

.search-input::placeholder {
    color: var(--text-color-third);
}

.search-clear {
    background: transparent;
    border: none;
    color: var(--text-color-second);
    font-size: 18px;
    cursor: pointer;
    padding: 5px 10px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-clear:hover {
    color: var(--first-color);
    transform: scale(1.1);
}

.search-results-count {
    text-align: center;
    margin-top: 15px;
    color: var(--text-color-second);
    font-size: 14px;
    font-weight: 500;
}

.search-results-count.active {
    color: var(--first-color);
}

.tool-card.hidden {
    display: none;
}

.tool-card.highlight {
    animation: highlightPulse 1s ease;
}

@keyframes highlightPulse {
    0%, 100% {
        box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
    }
    50% {
        box-shadow: 0 20px 60px rgba(0, 212, 255, 0.6);
        transform: scale(1.02);
    }
}

/* ===== HOW IT WORKS BUTTON ===== */
.how-it-works-btn-container {
    max-width: 700px;
    margin: 0 auto 3rem;
    text-align: center;
}

.how-it-works-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 32px;
    background: var(--gradient-2);
    color: var(--color-white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(124, 58, 237, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.how-it-works-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(124, 58, 237, 0.5);
    background: var(--gradient-1);
}

.how-it-works-btn i:first-child {
    font-size: 18px;
}

.how-it-works-btn i:last-child {
    font-size: 14px;
    transition: transform 0.3s ease;
}

.how-it-works-btn:hover i:last-child {
    transform: translateX(4px);
}

.how-it-works-subtitle {
    margin-top: 12px;
    font-size: 13px;
    color: var(--text-color-third);
    font-weight: 400;
}

/* ===== TOOLS GRID ===== */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* ===== TOOL CARD ===== */
.tool-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.tool-card:hover::before { 
    left: 0; 
    opacity: 0.1; 
}

.tool-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 212, 255, 0.3);
    border-color: var(--first-color);
}

.tool-header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 25px;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.tool-header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.5s ease;
}

.tool-card:hover .tool-header::before { 
    width: 100%; 
}

.tool-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    min-height: 50px;
    border-radius: 15px;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--color-white);
    transition: var(--transition);
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.3);
}

.tool-card:hover .tool-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 30px rgba(0, 212, 255, 0.5);
}

.tool-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-white);
    margin: 0;
    flex: 1;
}

.tool-description {
    padding: 0 25px 15px;
    color: var(--text-color-second);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-top: 15px;
}

.tool-content {
    padding: 25px;
    padding-top: 10px;
}

/* ===== FORM INPUTS ===== */
.tool-input,
.tool-textarea,
.tool-select {
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: 12px 18px;
    color: var(--text-color);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
    margin-bottom: 15px;
    font-family: 'Poppins', sans-serif;
}

.tool-input:focus,
.tool-textarea:focus,
.tool-select:focus {
    border-color: var(--first-color);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    transform: translateY(-2px);
}

.tool-input::placeholder,
.tool-textarea::placeholder {
    color: var(--text-color-third);
}

.tool-textarea {
    resize: vertical;
    min-height: 100px;
}

.tool-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300d4ff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    padding-right: 40px;
}

.tool-select option {
    background: var(--card-bg-color);
    color: var(--text-color);
}

/* ===== BUTTONS ===== */
.tool-btn {
    width: 100%;
    padding: 14px 28px;
    background: var(--gradient-1);
    border: none;
    border-radius: 15px;
    color: var(--color-white);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 15px;
}

.tool-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 212, 255, 0.5);
    background: var(--gradient-2);
}

.tool-btn:active { 
    transform: translateY(-1px); 
}

/* ===== TOOL RESULT ===== */
.tool-result {
    margin-top: 20px;
    padding: 20px;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    color: var(--text-color);
    min-height: 50px;
    display: none;
    word-wrap: break-word;
    animation: slideIn 0.4s ease;
}

.tool-result.active {
    display: block;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.tool-result h4 {
    color: var(--first-color);
    font-size: 1.1rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.result-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 15px;
}

.result-item {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    padding: 12px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.result-item:hover {
    border-color: var(--first-color);
    transform: translateY(-2px);
}

.result-label {
    display: block;
    color: var(--text-color-second);
    font-size: 12px;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-value {
    display: block;
    color: var(--first-color);
    font-size: 18px;
    font-weight: 700;
}

.result-value.large {
    font-size: 24px;
    background: var(--gradient-1);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.result-breakdown {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.breakdown-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    color: var(--text-color-second);
    font-size: 14px;
}

.breakdown-row strong {
    color: var(--text-color);
}

.breakdown-row .value {
    color: var(--first-color);
    font-weight: 600;
}

/* ===== RESPONSIVE DESIGN ===== */
@media only screen and (max-width: 900px) {
    .container { 
        padding: 1rem; 
        padding-top: 100px; 
    }
    
    .tools-grid { 
        grid-template-columns: 1fr; 
        gap: 1.5rem; 
    }
    
    .header-text h1 { 
        font-size: 2rem; 
    }
    
    .result-stats { 
        grid-template-columns: 1fr; 
    }
}

@media only screen and (max-width: 600px) {
    .container { 
        padding-top: 90px; 
    }
    
    .header-text h1 { 
        font-size: 1.8rem; 
    }
    
    .header-text p { 
        font-size: 1rem; 
    }
    
    .tool-header h3 { 
        font-size: 1.1rem; 
    }
    
    .tool-icon { 
        width: 45px; 
        height: 45px; 
        min-width: 45px; 
        min-height: 45px; 
        font-size: 20px; 
    }
    
    .how-it-works-btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .how-it-works-btn i:first-child {
        font-size: 16px;
    }
    
    .how-it-works-subtitle {
        font-size: 12px;
    }
}

@media only screen and (max-width: 375px) {
    .header-text h1 { 
        font-size: 1.6rem; 
    }
    
    .tool-content { 
        padding: 20px 15px; 
    }
    
    .tool-icon { 
        width: 40px; 
        height: 40px; 
        min-width: 40px; 
        min-height: 40px; 
    }
}

/* === FAB MENU === */
.fab-menu {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.fab-trigger {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-1);
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
    transition: all 0.3s ease;
}

.fab-trigger:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(0, 212, 255, 0.6);
}

.fab-options {
    position: absolute;
    bottom: 80px;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
}

.fab-options.active {
    opacity: 1;
    pointer-events: all;
}

.fab-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    color: var(--text-color);
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.fab-option:hover {
    background: var(--gradient-1);
    transform: translateX(-5px);
}

.fab-option i {
    font-size: 18px;
}