/* ---------- GLOBAL ---------- */
body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
}

/* ---------- BACKGROUNDS ---------- */
.intro-bg {
    background: url("images/m123.gif") no-repeat center center/cover;
    height: 100vh;
}

.predict-bg {
    background: url("images/windmill.jpg") no-repeat center center/cover;
    height: 100vh;
}

.result-bg {
    background: linear-gradient(to right, #1e3c72, #2a5298);
    height: 100vh;
}

/* ---------- OVERLAYS ---------- */
.intro-overlay {
    background: rgba(0,0,0,0.55);
    color: white;
    height: 100%;
    text-align: center;
    padding-top: 20%;
}

/* ---------- CARDS ---------- */
.glass-card {
    width: 420px;
    margin: auto;
    margin-top: 60px;
    padding: 25px;
    border-radius: 12px;
    backdrop-filter: blur(12px);
    background: rgba(255,255,255,0.25);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

.weather-box {
    background: rgba(255,255,255,0.7);
    padding: 10px;
    border-radius: 8px;
    margin: 10px 0;
}

/* ---------- RESULT ---------- */
.result-box {
    text-align: center;
    padding-top: 80px;
    color: white;
}

.graph {
    width: 60%;
    border-radius: 10px;
    margin: 20px 0;
}

/* ---------- FORMS ---------- */
input, select {
    width: 100%;
    padding: 10px;
    margin: 8px 0;
    border-radius: 6px;
    border: none;
}

/* ---------- BUTTONS ---------- */
.primary-btn, .secondary-btn {
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    margin-top: 10px;
    transition: transform 0.3s;
}

.primary-btn {
    background: #00c853;
    color: white;
}

.secondary-btn {
    background: #ff9800;
    color: white;
}

.primary-btn:hover,
.secondary-btn:hover {
    transform: scale(1.08);
}

/* ---------- ANIMATIONS ---------- */
.fade-in {
    animation: fade 1.5s ease-in;
}

.slide-down {
    animation: slideDown 1s ease;
}

.slide-up {
    animation: slideUp 1s ease;
}

@keyframes fade {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideDown {
    from { transform: translateY(-40px); }
    to { transform: translateY(0); }
}

@keyframes slideUp {
    from { transform: translateY(40px); }
    to { transform: translateY(0); }
}

/* ================= LOADER ================= */
.loader {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
}

.spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 6px solid #ccc;
    border-top: 6px solid #00e676;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
}

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